g physics in a measurement of the absorption of microwaves by a diatomic gas, you find that the lowest absorption frequency is f0. what is the next lowest absorption frequency

Answers

Answer 1

6.5 The lowest observed microwave absorption frequency.

What is absorption?Physical or chemical absorption is the process by which atoms or molecules enter the bulk phase of a gas, liquid, or solid material and are absorbed into the volume. Simple molecules resulting from chemical digestion pass through the cell membranes of the  lowest intestine mucosa and enter the blood or lymphatic capillaries.This process is known as absorption. The process of absorption means that matter captures and transforms energy. Absorbents distribute the trapped material throughout, while adsorbents distribute it  only on the surface.The process by which gas or liquid enters the body of the adsorbent is commonly known as absorption .A water soaked paper towel is an example of absorption. If you dip the crayon into the ink for a while, it will absorb the ink and take on the color of the ink. Oxygen and carbon dioxide dissolve in water by absorption. Absorption of ammonia gas by water.

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Related Questions

Please help its finals! I’ll give BRAINLIEST

Answers

Answer:

Before the rubber ball moves, it's stationary. Therefore the energy is Potential. As it rolls, the energy is transferred equally between the ball itself and the ramp, making the energy transferred Kinetic Energy.

Explanation:

A 4 kg block is pushed up an incline that makes a 30o angle with the horizontal, as shown in the figure. Once the block is pushed a distance of d=5.0 m up the incline, the block remains at rest. What is the approximate change in the gravitational potential energy of the block-

Answers

Answer: 98 J

Explanation:

The starting GPE is 0 because the block is at h=0 (bottom of the incline).

The block moves 5.0 m up the incline, so you have to figure out its height (h) relative to the bottom of the incline, where h=0.

sin30 = h/5

solve for h:  h = sin30 x 5 = 2.5m  (height of the block, 5 m up the incline)

Now you can solve for GPE = mgh

GPE = (4 kg)(9.8 m/s2)(2.5 m) = 98J

Help me, please!!!!!!!!

If another object (a can of beans) was dropped from 12 meters in free fall, how long will it take for that object to fall to the ground?

Answers

It  will take the object a total time of 1.564 seconds to fall from a height of 12m.

What is time?

Time is the apparent progression of events from past to future.

To calculate the time it takes the object to fall to the ground, we use the formula below.

Formula:

H = ut+gt²/2

Where:

H ⇒ Heightt ⇒ Timeu ⇒ Initial velocityg ⇒ Acceleration due to gravity

From the question,

Given:

H = 12 mu = 0 (drop from a height)g = Constant = 9.8 m/s²

Substitute these values into equation 1

12 = (0×t)+(9.8t²/2)

Solve for the value of t

t² = (12×2)/9.8t = √(24/9.8)t = 1.564 seconds

Hence, it will take the object 1.564 seconds to fall to the ground.

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what is the maximum speed vmax that the cylinder can move along its circular path without slipping off the turntable?

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The cylinder may move along its round path at the maximum speed vmax without falling off the turntable, which is 0.343 m/s. For a mass m body  at speed v in a circular of radius r, the centripetal force Fc is Fc| = m v 2/r.

How quickly can you go?

The fastest a person can go is considered to be at maximum speed. Velocity is what is meant by the term "acceleration," and since velocity has both a greater acceleration, athletes' acceleration can fluctuate depending on whether they are accelerating in one direction or both.

What is the best way to determine a wave's maximum speed?

Equation Speed = Wavelength x Frequency describes how wave speed relates to wave wavelength and wave frequency. Given the wavelength and frequency, this equation could be used to determine the wave speed.

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which one of these represent total momentum of a system of two particles traveling one against the other?

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The total momentum of a system is the vector sum of all the individual masses that comprise the system.

Moreover, To calculate the total momentum of two objects during a collision, add their individual momentums. You can calculate the momentum for each object using the formula p=mv, where p is the momentum, m is the mass, and v is the velocity. The law of conservation of momentum can be expressed as follows. For a collision between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

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HELP HELP HELP I NEED HELP QUICK PLEASE

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Answer:
In the diagram above, the net force is 320Newtons to the right with an acceleration of 8m/s^2

What theory did Heisenberg propose?

Answers

Werner Heisenberg proposed the Unified Field Theory.

What is the Unified Field Theory?

A unified field theory (UFT) in physics is a sort of field theory that enables all of the concepts often associated with fundamental forces and elementary particles to be expressed in terms of two physical and virtual fields. Modern physics discoveries suggest that forces are instead characterised and disrupted by intermediary phenomena known as fields rather than being communicated directly between interacting objects. The fields are traditionally united into a single physical field as a duality. The term "unified field theory" was first used by Albert Einstein, who sought to combine electromagnetism and his general theory of relativity, and it has been an active area of study for more than a century.

Werner Heisenberg concentrated on Unified Field Theory in his final years of work. This "theory of everything" aims to explain the fundamental forces and elementary particles.

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An ant travels 50.0 cm East, then turns 35 degrees North of East and moves for 40.0 cm. It then turns and moves another 30 cm North. What is the ant's total displacement (magnitude and direction)?

Please help :) I will also post questions similar to this so if you know how to solve them go ahead and look :)

Answers

The magnitude of ant's total displacement is 96.23 cm in a direction 41 degrees North of East.

What is the total displacement of the ant?

The total displacement of the is obtained by resolving the displacement of the ant into x and y components as shown below.

horizontal displacement (x) = d cosθ

vertical displacement (y) = d sinθ

where;

θ is the direction of the displacementd is the magnitude of the displacement

First displacement at 50 cm East; (θ = 0⁰)

x = 50 cm x cos(0) = 50 cm

y = 50 cm x sin(0) = 0

second displacement at 40 cm at 35 degrees North of East;

(θ = 90⁰ - 35⁰ = 55⁰)

x = 40 cm x cos(55) = 22.94 cm

y = 40 cm x sin(55) = 32.77 cm

third displacement at 30 cm North; (θ = 90⁰)

x = 30 cm x cos(90) = 0

y = 30 cm x sin(90) = 30 cm

Net horizontal displacement;

∑x = 50 cm + 22.94 cm + 0 = 72.94 cm

Net vertical displacement;

∑y = 0cm + 32.77 cm + 30 cm = 62.77 cm

The total displacement is calculated as;

D = √[ (∑x)² + (∑y)² ]

D = √[ (72.94)² + (62.77)² ]

D = 96.23 cm

The direction of the total displacement;

θ = arc tan (Σy/Σx)

θ = arc tan (62.77/72.94)

θ =  40.7⁰ ≈ 41⁰

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a .5 kg steel ball is suspended from teh ceiling by a 2.5 m long string. the ball is pulled to the side until it is 1 m above its lowest point and then released from rest. the tension in the string when the ball passes through its lowest position is

Answers

The tension in the string when the ball passes through its lowest position is 5N (rounded).


What is tension?

The pulling force transmitted axially by the means of a string, a rope, chain, or similar object, or by each end of a rod, truss member, or similar three-dimensional object; tension might also be described as the action-reaction pair of forces acting at each end of said elements.

How to calculate the tension in the string when the ball passes through its lowest position?

Tension = m*g
T = 0.5 * 9.8

= 4.9N

Approximately the tension would be equal to 5N (rounded)

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Two objects of masses 20 kg and 8 kg are hung from the ends of a stick that is 70 cm long and has marks every 10 cm, as shown. ABCDEFG 10 20 30 40 50 60 20 kg 8 kg If the mass of the stick is negligible, at which of the points indicated should a cord be attached if the stick is to remain horizontal when suspended from the cord? 1. E 2. F 3. B 4. G 5. A 6. C 7. D

Answers

Option 3. is the correct answer.

Mass of object 1 at one end = 20 kg

Mass of object 2 at the other end = 8 kg

The total length of a stick = 70 cm  

The mass of the stick is negligible

As we know that x =  m₁x₁+m₂x2/m₁ + m₂  

x = 20(0) + 8(70)/20 + 8  

As the first object is at the start so distance is equal to 0

x = 20 cm

Point B is the point from which the stick remains horizontal when suspended from the cord.  

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a 0:20 cm radius cylinder, 3:0 cm long, is wrapped with wire to form an inductor. at the instant the magnetic field in the interior is 5:0 mt, the energy stored in the field is about:

Answers

The energy stored in the field is 3.75*10-6J.

What is magnetic field?

The area in which magnetism acts, called the magnetic field, is where a magnetic substance or a moving electric charge is located. An illustration of the magnetic field that shows how a magnetic force is dispersed both within and outside of a magnetic substance.

What is inductor?

A wire coil called an inductor is used to store energy in the form of a magnetic field. Inductor energy storage capacity is increased by the coil's typical wrapping of an iron-containing core.

Energy density stored=B2/2?

                                       =5*5*10-6/4*?*10-7

                                        =125/4?

Total energy stored= Energy density stored*Volume

                                  =?r2*h (125/4?)

                                 =3.75*10-6J

Therefore, the energy stored in the field is 3.75*10-6J.

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write short notes one effect of friction on efficiency of machine​

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Answer:

Friction reduces efficiency because when two surfaces slide past each other, friction resists their motion, and in real machines, some input work is always used to overcome friction.

Please give the brainliest.

A car of mass 1000 kg travelling at 8.0 m / s collides with a lorry of mass 3000 kg that is travelling at 2.0 m / s in the same direction. After colliding, the two vehicles stick together. What is their speed after the collision? A 2.0 m / s B 2.5 m / s C 3.5 m / s D 5.0 m / s

Answers

3.5 m / s  is their speed after the collision.

Mass of a car = 1000 kg,

Velocity car = 8 m/s,

Mass  lorry = 3000 kg,

Velocity lorry = 2 m/s.

u = initial velocity,

v = final velocity.

m₁ = 1000 kg, m₂ = 3000 kg, u₁ = 8 m/s, u₂ = 2 m/s

(1000)(8) + (3000)(2) = (1000 + 3000)·v

8000 + 6000 = 4000·v

4000·v = 14000

v = 3.5 m/s

velocity (often abbreviated as "s") is a scalar variable that describes how lots an item's vicinity modifications over time or how plenty it modifications in step with unit of time.

The average speed of an item in a period of time is the distance traveled with the aid of the object divided by way of the length of the length.

Time divided with the aid of distance are the rate-associated metrics.. The meter in keeping with second (m/s) is the SI unit of pace, while the kilometer consistent with hour (kph) is the most usually used unit of speed in each day existence.

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. consider the replacement of the 400 mw san juan thermoelectric power plant in puerto rico, which uses heavy fuel oil to generate electricity, with a solar photovoltaic farm. the oil plant has a heat rate of 10,811 btu/kwh and a capacity factor of 53%. a. for installation of south-facing fixed tilt pv arrays, with tilt angle equal to the local latitude in san juan, how many acres of collector surface area would be required to replace the generation from the fuel oil plant? assume that the photovoltaic cells have an efficiency of 17%. b. by how many acres can the surface area in part (a) be reduced if single-axis tracking is added (with the collector tilt angle still equal to the local latitude)? c. what will be the annual fuel cost savings ($) if the oil power plant is retired, if heavy fuel oil costs $290 per metric ton and has a heating value of 39,500 btu/kg?

Answers

Annual saving energy produced *cost of oil/heating value is

$ 10020.46177.

Latitude and longitude: what are they?

Latitudes are lines that are horizontal and show how far a location is from the equator. In relation to the meridian in Greenwich, England, longitudes are vertical lines that show the east and west directions. Latitude and longitude are used in conjunction to locate points or places on the globe by cartographers, geographers, and others.

Puerto Rico's capital city's latitude and longitude are 18° 27' 58.7988" North and 66° 6' 20.5956" West.

Local San Juan latitude divided by tilt angle equals 18.46 WBAN No. 11641 = for year = 5.5 provides information on solar radiation for flat plate collectors facing south with a fixed tilt.

KWh/m2/day = 5.5 KWh/m2/day (1 day =3600h)

Formula used-

Solar radiation at that place* Collector Area *Collector efficiency = Heat rate * Output

power*Capacity factor

1 KW= 3,412.14 BTU/h

Heat rate* output power* capacity factor = 10,811*400*10^3*0.53 BTU/h = 671699.2855

KW

Collector Area = 671699.2855*3600/5.5*0.17

= 25862218.48 m^2= 6390 acres

C.

Cost of oil = 290$ /10^3 kg

Energy produced= 400*10^3 KW = 1364856 *10^3 BTU/h

Heating value = 39,500 Btu/kg

Annual saving Energy produced *cost of oil/heating value

= $ 10020.46177

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a voltmeter pointer is 6 centimeters in length (see figure). find the number of degrees through which it rotates when it moves 2.1 centimeters on the scale. (round your answer to two decimal places.)

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When the voltmeter pointer moves 2.1 centimeters on the scale, it rotates 20.06 degrees. The concept is the measure of an arc equals to the measure of the central angle.

What is arc and central angle of a circle?An arc is a curve or a portion of the circumference of a circle. A central angle is an angle formed by two radii in a circle.

The ratio of an arc length to the circumference equals to the ratio of a central angle to the total degrees of a circle.

[tex]\frac{x}{2 \pi r} = \frac{\alpha }{360}[/tex]

Where

x = arc lengthπ = 3.14r = radiusα = central angle

Given the case a voltmeter pointer is 6 centimeters in length. When it moves 2.1 centimeters on the scale, what is the number of degrees through which it rotates?

Without the figure, we assume that the radius of the circle is 6 cm when the arc length is measured. So, we got:

x = 2.1 cmr = 6 cm

The number of degrees through which it rotates is the central angle.

[tex]\frac{x}{2 \pi r} = \frac{\alpha }{360}[/tex]

[tex]\frac{2.1}{2 \times 3.14 \times 6} = \frac{\alpha }{360}[/tex]

[tex]\frac{2.1}{37.68} = \frac{\alpha }{360}[/tex]

[tex]\alpha = \frac{2.1 \times 360}{37.68}[/tex]

α = 20.06°

Hence, the number of degrees through which it rotates is 20.06 degrees.

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What is KE and PE? Please explain me in detail

Answers

KE stands for kinetic energy
Kinetic energy is the energy an object has because of its motion
PE stands for potential energy
Potential energy is stored energy that depends upon the relative position of various parts of a system

1. For the series circuit in Fig. 21.51:

a. Find the value of XC for resonance.

b. Determine the total impedance of the circuit at resonance.

c. Find the magnitude of the current I.

d. Calculate the voltages VR, VL, and VC at resonance. How are VL and VC related? How does VR compare to the applied voltage E?

e. What is the quality factor of the circuit? Is it a high or low Q circuit?

f. What is the power dissipated by the circuit at resonance?

Answers

a) For resonance this circuit should be resistive hence Xc = 30 ohm.

b) Total impedance = |2+30i=30i| = 2ohm.

c) Current=50mV/2=25mA.

d) |VL|=|Vc|=30*25mA=0.75V=750mV since impedance same and they are in series VR=  50mV.

e) Q=wL/R=w*L/R=30/2=15  since wL = 30ohm it is a high Q circuit.

f) Power disspated=i^2R = (25*25*10^(-6).)*2 = 1.25mJ.

The higher the Q the lower the energy loss rate and the slower the vibration damping. A pendulum suspended from high-quality bearings and oscillating in the air has a high Q, while a pendulum immersed in oil has a low Q. High-Q resonators have lower damping, so they oscillate or oscillate longer.

A circuit's figure of merit Q is the electrical energy stored in the circuit divided by the energy consumed in one cycle. The Q of a circuit is an important quantity in certain applications, such as in electromagnetic waveguides and radio frequency cavities.

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A- In the mobile in (Figure 1) , what is the inertia of the giraffe Mgir in terms of the inertia Mm of the monkey?
(Mg/Mm)
B- In the mobile in (Figure 1) , what is the inertia of the elephant Mel in terms of the inertia Mm of the monkey?(Me/Mm)

Answers

The inertia of the elephant Mel in terms of the inertia Mm of the monkey is 2Mm

the moment = 0

from monkey & giraffe

Mm*3d = Mg*d

Mg = 3*Mm

-------------------

for Me  & Mg

(Mg + Mm)*2d = Me*4d

(3Mm+Mm)*2d = Me*4d

4*Mm*2 = 4*Me

Me = 2Mm

Until some force changes the speed or direction of an object, it will continue to move in the same direction. This is known as inertia. The phrase is correctly understood as a shortened form of "the principle of inertia," which is a concept that Newton discussed in his first law of motion. Unless influenced by an unbalanced force, an object at rest stays at rest, and an object in motion stays in motion while maintaining a constant speed and a straight line. An object at rest has a tendency to stay at rest, and an object in motion has a tendency to continue moving in a straight line at a constant speed.

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how do scientists predict the location of electrons in the modern model of the atom

Answers

They utilize a combination of Schrondingers rule (look up his cat theory if you have free time) in addition to the Pauli’s exclusion rule and Hund’s rule

Answer:

Scientists predict the location of electrons in the modern model of the atom by using the Heisenberg uncertainty principle.

A student needs to use the metric system while measuring the length of a box. Which units should he use?centimetersinchesfeetyards.

Answers

Answer:

While measuring the length of a box he should use centimetres if he is using the metric system.

what is the approximate numerical value of the slope of the lineweaver-burk plot of these kinetic data?

Answers

Using the theories of lineweaver-burk, we got that 0.05 as the approximate numerical value  of the slope of the lineweaver-burk plot of these kinetic data.

The Lineweaver–Burk plot is correct when enzyme kinetics obey ideal second-order kinetics, however the non-linear regression is needed for systems that do not behave ideally. The double reciprocal plot distorts  error structure of the data, and is therefore not  most accurate tool for the determination of the enzyme kinetic parameters

Slope is equal to Km/Vmax

Km is half of Vmax

Vmax is 200 um/min, so Km is found at 100 um/min. At 100 um/min ,we know that the substrate concentration is 10 um. Thus, the Km is 10 um, which is equivalent to 10/200= 0.05

Hence, the approximate numerical value of the slope of the lineweaver-burk plot of these kinetic data is 0.05

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he wavelength of blue light is approximately 4.0 x 10 -7 meters. calculate the frequency of blue light in hertz. a. 2.5 x 10 7 b. 1.2 x 102 c. 3.3 x 10 -9 d. 7.5 x 1014 e. 1.2 x 10 1

Answers

The frequency of blue light in hertz is d.) 7.5 x 1014.

What is frequency of a light and how is it calculated?

The electromagnetic radiation differs from other radiations through frequency of that wave. Light is one of the forms of electromagnetic radiations. A hertz is said to be the number of oscillations in one second. For a wave, hertz is the number of wavelengths per second. All types of light travels at a same speed irrespective of their frequency.

The equation that relates frequency and wavelength is:

c= fλ

where, c= speed of light

λ = wavelength in meters

f= frequency in hertz

c= 3×10 8 m/s

λ = 4.0 x 10 -7 meters.

f=c/λ

  ⇒3×10 8 /  4.0 x 10 -7

   ⇒7.5 x 1014 Hz.

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if you want a characteristic rl time-constant of 5.00 s, and you have a 100 ohms resistor, what value of self-inductance [in h] is needed:

Answers

The self-inductance of the RL circuit is 500 H.

We need to know about the time constant r-l circuit to solve this problem. The time constant of RL circuit depends on the resistance and inductance of its circuit. It can be written as

T = L / R

where T is the time constant, L is inductance and R is resistance.

From the question above, the given parameters are

T = 5 s

R = 100 Ω

By using the equation, we can calculate the self-inductance

T = L / R

L = T . R

L = 5 . 100

L = 500 H

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a movie stunt driver on a motorcycle drives off a 47.7-m tall cliff, in a horizontal direction. how fast is the motorcycle going at an instant that it leaves the cliff, if it lands on level ground below, 62.9 meters from the base of the cliff? answer to one decimal place.

Answers

Fast V=13.6 m/s  is the motorcycle going at an instant that it leaves the cliff, if it lands on level ground below, 62.9 meters from the base of the cliff in projectile motion.

v=?

V1=0

a1=0

a2=-g

d1=47.7

d2=62

62=o*T-1/2gT²

T=3.5sec

47.7=vT

47.7=v*3.5

v=13.6 m/s

A projectile motion is a type of motion that an object or particle experiences when it is launched into a Gravity , such as from the surface of the Earth, and moves along a curved path only under the influence of gravity. The motion of an object being projected or thrown into the air is known as projectile motion, and it is only affected by the acceleration of gravity. Projectile and trajectory both refer to the same thing: an object. Any object that is launched into space and has only gravity acting on it is considered a projectile. Gravity is the main force at work when a projectile is launched. A projectile is an object that is launched or projected into the air and is only subject to the acceleration of gravity. Projectile and trajectory both refer to the same thing: an object.

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Which of the following changes would result in a clockwise emf in the loop? When you consider each option, assume that no other changes occur.
Check all that apply.
a) The magnitude of B increases.
b) The magnitude of B decreases.
c) The loop rotates through 45 degrees about the vertical axis (vertical dotted line) shown in the diagram.
d) The loop rotates through 45 degrees about the horizontal axis (horizontal dotted line) shown in the diagram.
e) The loop moves to the right while remaining in the plane of the page.
f) The loop moves toward you, out of the page, while remaining parallel to itself.

Answers

The conditions which would result in clockwise emf in loop are

a) The magnitude of B increases

c)The loop Rotates through 45 degrees about vertical axis

This all happens according to the right-hand thumb rule of electromagnetics. The EMF (Electro Motive Force) changes according to the movement of Loop as it is dependent on the motion which further connects to the right hand thumb rule as shown in the figure attached.

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the phase velocity of each wavelength of white light moving through ordinary glass is a function of the wavelength; that is, glass is a dispersive medium. what is the general dependence of vp on l in glass? is dvp>d l positive or negative?

Answers

The general dependence of phase velocity on glass can be expressed as vₓ = v₀(1 + 2B/nλ²) and it is positive.

What is phase velocity?

The phase velocity of a wave is the speed at which the wave propagates through any medium. This is the speed at which the phase of any frequency component of the wave propagates. For such a component, arbitrary phases of the wave appear to travel with phase velocity.

For glass we know that, n = A + B/λ²

vₓ = v₀ - λ(dv₀/dλ)

Where, vₓ = velocity of light in glass

v₀ = phase velocity

λ = wavelength

vₓ = v₀ - λ(dv₀/dn × dn/dλ)

= v₀ - λ (-c/n²) dn/dλ

=  v₀+v₀ (λ/n × dn/dλ)

Now,

dn/dλ = d(A + B/λ²)/dλ

= -2B/λ³   which is negative

vₓ = v₀ - v₀ (λ/n) (-2B/λ³)

vₓ = v₀(1 + 2B/nλ²)

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Question 2
A car traveling at 114 km/h slows at a rate of 3 m/s² for 2.6 seconds. How far does the car move?

Answers

The car travels a distance of 72.202 m

What do you mean by deceleration?

Deceleration is a specific instance of acceleration that only applies to moving objects. Consequently, it is the rate of object slowing down.

It is a vector quantity is deceleration.The opposite of acceleration is deceleration.Its symbol is -a, where a stands for acceleration.

Simply applying Galileo's equation, which accounts for both linear acceleration and deceleration equally if the deceleration is constant, the distance covered in deceleration is given by the formula:-

                                                  s = ut + ½at²

where

s represents the whole distance traveled during time t.

u is the object's speed when t is equal to 0.

a is the acceleration. If the object is speeding up, the value is positive; if it is slowing down, the value is negative.

Given in the question,

Velocity, u  = 114 km/h

   = 114 x 1000/ 60 x 60

   = 31.67 m/s

Deceleration, -a = 3 m/s²

s = ut + ½at²

 = 31.67 x 2.6 - 3 x 2.6 x 2.6/2

 = 82.342 - 10.14

 = 72.202 m

Hence, The car travels a distance of 72.202 m

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if you swing a bucket of water fast enough in a vertical circle, at the highest point the water does not spill out. this happens because an outward force balances the pull of gravity on the water. group of answer choices true false

Answers

If you swing a bucket of water fast enough in a vertical circle, at the highest point the water does not spill out. This happens because an outward force balances the pull of gravity on the water - True

What is centripetal force?

It is the force applied to a body that is rotating in a circle and is pointed in the direction of the body's center.Centripetal force formula:

                                             F = mv^2/r

This experiment demonstrates Newton's first law of motion, which states that objects either remain still or move straight ahead. Inertia is the name for this quality. Force is required to cause an object to rotate in a circle.

The water inside the pail pulls on your arm as you swing it back and forth because it wants to keep moving in a straight line while you want it to go in a circle. The water pushes against the bottom of the bucket as you hold on to prevent it from flying away. The water pushes more forcefully against the bottom of the pail as you swing higher and higher. However, gravity tries to remove the water from the bucket when you turn it upside down. Ultimately, whichever force—gravity or centripetal—is stronger wins. The water will remain in the pail as long as you swing the bucket quickly enough for centripetal force—the force of the water pressing against the bottom of the bucket—to outweigh gravity.

Hence, the correct answer is True.

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Which option is correct and explain why (in detail)? Also, ignore the graph I drew to the right.

Answers

If two balls are projected with initial velocity v and 2v respectively, the ball that is projected with a velocity of 2v would reach the ground first.

What is a projectile?

The term projectile has to do with the kind of motion that uses a parabolic path. The parabolic path is a path that is curved. For instance, if you trough a ball from one point to the other, the ball does not follow a straight path, the path of the ball is curved.

The time that it takes for the ball to reach the ground from the point of projection is dependent on the initial velocity of the ball. Thus, if the ball has been projected with a higher initial velocity then the ball would reach the ground faster and vice versa.

Thus, given that the velocity 2v is twice the velocity v, the ball that is projected at this velocity would reach the ground first.

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Research and draw a diagram showing a food chain with at least four levels of organisms, starting with plants or algae (producers). Show how each organism in your diagram gets energy, and use arrows and labels to indicate the relationship between each of the organisms. Research the average daily calories each organism on your food chain must consume in order to maintain proper body function. While this diagram is called a food chain, it should actually be called a food cycle because you’ll be including a decomposer to tie together the animal at the top of the food chain back to the producers. Along with the diagram, write a three-paragraph explanation of why energy transfer is not 100% efficient in a food chain. Explain where the lost energy goes, and include a paragraph at the end that explains the role of decomposers such as fungi and bacteria. How do they increase entropy to the maximum? Finally, explain how producers (the plants and algae) decrease entropy as the cycle starts over again. In your explanation, include definitions of the second law of thermodynamics and entropy.

Answers

Energy is transferred along the food chain from the producers to the decomposers.

What is the food chain?

The term food chain has to do with the process by which energy is passed from one organism to another along the in the ecosystem. Let us recall that the ecosystem is a unit that is composed of living and non living parts and is able to sustain itself.

According to the principle of second law of thermodynamics, energy transfers is not 100% efficient. Thus as energy is transferred along the food chain, only 10% of the energy that was acquired from the pervious trophic level is passed on to the succeeding trophic level.

This is because of the fact that the remainder of the energy is utilized in the metabolic activities of organisms. We can rightly call the food chain a food cycle because as we can see from the image, energy is obtained from the sun and passed along the food chain and returned to the producers by the activities of the decomposers.

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