racing greyhounds are capable of rounding corners at very high speeds. a typical greyhound track has turns that are 45 m diameter semicircles. a greyhound can run around these turns at a constant speed of 12 m/s .what is its acceleration in units of g ?

The net work done on the weights is 700 joules.

What is net force?
The total of all forces acting on the object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion. When there are a lot of forces acting on a system, the term "net force" is used. The total of all forces acting on an object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion. When there are a lot of forces acting on a system, the term "net force" is used. When a force is applied to a body, numerous additional forces, such as gravitational force Fg, frictional force Ff, and the normal force, also work to balance the applied force.

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The most common injury related to electrical hazards are Electrical burns.

What are electrical hazards?

An electrical burn is a type of skin burn that develops when your body comes into contact with electricity. It is possible for electricity to pass through your body when it comes into contact with it. When this occurs, the voltage has the potential to harm tissues and organs.

Hence, The most common injury related to electrical hazards are Electrical burns.

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Using the theories of protonephridia, we got that  the statements about the protonephridia of freshwater flatworms which is accurate is e)Fluid from the body enters the protonephridia without first being filtered.

The flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms, rotifers, and the nemerteans. Bundles of the flame cells are called Protonephridia. Protonephridia helps in the osmoregulation or ion-regulation. They are also helpful in the excretion.

Protonephridium is the network of dead-end tubules lacking internal openings found in the phyla Platyhelminthes, Nemertea

Hence, the  the statements about the protonephridia of freshwater flatworms is accurate is option e) Fluid from the body enters the protonephridia without first being filtered.

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There are other gases produced during fermentation such as carbon dioxide. There are other possible gases produced by the organism during fermentation.

There are different gases produced during fermentation such as carbon dioxide. Certainly the gasoline produced can not be considered from nitrate reduction. Seeing that, there are different viable gases produced via the organism at some stage in fermentation.

Fermentation is a metabolic method that produces chemical modifications in natural substrates via the motion of enzymes. In biochemistry, it's far narrowly defined as the extraction of strength from carbohydrates inside the absence of oxygen.

This is a -step method, the first step is the formation of ethyl alcohol from sugar anaerobically using yeast. Inside the second step, ethyl alcohol is similarly oxidized to shape acetic acid the use of acetobacter micro organism. Microbial oxidation of alcohol to acid is an aerobic manner.

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The statement that best describes the part of the graph where the classical (Kuiper Belt Objects)kbos are found is "nearly circular orbits that stay farthest from the sun".

What are Kuiper Belt Objects?

The Kuiper belt object is described as a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun.

The Kuiper belt object like the asteroid belt, consists mainly of small bodies or remnants from when the Solar System formed. While many asteroids are composed primarily of rock and metal, most Kuiper belt objects are composed largely of frozen volatiles (termed "ices"), such as

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Both rod-shaped magnets will align in a parallel configuration as similar poles and the magnetic field will repel each other.

Anything that creates a magnetic field is considered to be a magnet. The most noteworthy characteristic of a magnet—a force that pulls on other ferromagnetic elements like iron, steel, nickel, cobalt, etc.—is caused by this invisible magnetic field, which also attracts or repels other magnets.

A piece of equipment built from a substance that has been magnetized and produces a consistent magnetic field is called a permanent magnet. A typical illustration is a fridge magnet used to keep notes on the door of the refrigerator. The term "ferromagnetic" refers to materials that can be magnetized and are also strongly attracted to a magnet. These comprise several naturally occurring minerals, some alloys of rare-earth metals, and the elements iron, nickel, and cobalt and their alloys.

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The equation of the position of string from the center is 3.0 sin(2π × 440t), the maximum values of acceleration, velocity and jek are 1.29 × 10⁴ m/s², 8.26 m/s and 1.29 × 10⁴ m/s³.

(a) The following equation describes the position of the string's center as a function of time,

y(t) = A sin(2πft), where A is the amplitude (3.0 mm), f is the frequency (440 Hz), and t is time. Substituting the given values, we get,

y(t) = 3.0 sin(2π × 440t)

(b) The maximum value of the magnitude of the velocity of the center of the string occurs when the displacement is maximum, i.e., at t = 0. Therefore,

vmax = 2πfA

vmax = 2π × 440 × 3.0 × 10⁻³

vmax = 8.26 m/s

For acceleration,

amax = 4π²f²A

amax = 4π² × 440² × 3.0 × 10⁻³

amax = 1.29 × 10⁴ m/s²

(c) The jek of the center of the string as a function of time is given by:

j(t) = Aω²cos(2πft) where ω is the angular frequency, given by ω = 2πf.

The maximum value of the magnitude of the jek occurs when the displacement is zero, i.e., at t = T/4, where T is the period of the string. Substituting the given values, we get,

jmax = Aω²

jmax =  4π²f²A

jmax = 1.29 × 10⁴ m/s³.

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When the paint brush is dropped from the top the acceleration increases.

Gravity is a force that pulls objects down toward the ground. When objects fall to the ground, gravity causes them to accelerate.

An object in free fall experiences an acceleration of -9.8 m/s². Whether explicitly stated or not, the value of the acceleration in the kinematic equations is -9.8 m/s² for any freely falling object.

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Runaway greenhouse effect caused by Venus' sulfuric acid clouds and lack of surface winds.The majority of the Earth's atmosphere is composed of nitrogen.The atmosphere of Mars is very thin.

The layers of gas that surround and are held in place by a planet's gravitational pull make up the atmosphere of that planet. When the atmosphere's temperature is low and its gravity is strong, a planet can maintain its atmosphere. The gaseous layers encircling a planet or other celestial body are known as its atmosphere. About 78% of the atmosphere on Earth is made up of nitrogen, 21% of it of oxygen, and 1% of other gases. Depending on temperature, the atmosphere is made up of layers. Tropospheric, stratospheric, mesospheric, and thermospheric layers make up this system. The exosphere is a further zone located around 500 kilometers above the surface of the Earth. The atmosphere is the name given to the cloud of air that envelops the planet.

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The magnet is moving down with the north pole downward, and during the transition, there will be an increase in magnetic flux through the ring, which will produce the induced current through the ring.

When the bar is moved toward loop the flux will increase and the induced current will counter this flux.

The induced current tries to oppose the change in magnetic flux and this is possible just if the current direction is counterclockwise.

Result: The current direction is counterclockwise

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The boats were closest together for approximately ;  22 minutes

What is velocity?

Velocity is the directional velocity of a moving object, observed from a given frame of reference and indicating the rate of change of position measured at a given time reference (eg 60 km/h northward). Velocity is a fundamental concept in kinematics, a branch of classical mechanics that describes the motion of bodies.

Velocity is a physical vector quantity. The scalar absolute value (magnitude) of velocity is called velocity, and its magnitude is a consistent derived unit measured in the SI (metric) system as meters per second (m/s or m⋅s−1). For example, "5 meters/second" is a scalar, but "5 meters/second east" is a vector. An object is said to be accelerating if its velocity, direction, or both change.

Time After 6 pm =  t

Speed  of boat 1 travelling south wards after 6 pm ( t ) = 20 t

Speed of  boat 2 traveling east after 6 pm = 15 t

Distance of Boat 2 from Dock = 15 - 15 t

Distance of Boat 1 = 20t

∴ The distance between the boats

= ( 15 - 15 t )² + ( 20t )² = D * 2  ----- ( 1 )

Differentiating  equation ( 1 )     ( note : make dD/dt = 0 )

2( 15 - 15 t )* (-15) + 2 (20t)*(20)

make t subject of the expression

t = 9 /25

= 0.36 h ≈  22 minutes

Hence we can conclude that The boats were closest together for approximately ;  22 minutes

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Answer: 120cm

Explanation: It will go 120cm because theres 60 sec in one minute and each second the beetle is travelling 2cm.

Coulomb force, also known as electrostatic force or Coulomb interaction, is the electric charge of a particle or object's ability to attract or repel other particles or things.

The force of force of attraction between two like it or unlike charges is known as the Coulombic force or an electrostatic force. The two charges are spaced apart and have opposite charges with equal magnitude.

Comb and paper scraps When a comb is scraped against hair, charges are transferred to the teeth of the comb. Paper scraps with opposite charges or those with neutral charges are drawn to the charged comb. Coulomb's law is well shown by the electrical interaction between both the paper fragments and the comb.

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Rock formations go Into the mantle when they are subducted.

Subduction is a geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries. Where the oceanic lithosphere of a tectonic plate converges with the less dense lithosphere of a second plate, the heavier plate dives beneath the second plate and sinks into the mantle.

Subduction is a geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries.

Rock formations go Into the mantle when they are subducted.

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More energy is needed because not all energy transduction processes are 100 percent effective. More cellular energy is needed since there are inefficiencies.

Cellular energy is mostly produced by the breakdown of carbohydrates, especially glucose. the total oxidative decomposition of glucose into CO2 and water

G°′= -686 kcal/mol is the amount of free energy produced by the process. Glucose is oxidized within cells in a sequence of stages associated with the creation of ATP to capture this free energy in usable form.

Almost all cells go through the process of glycolysis, which is the first step in the breakdown of glucose. Without oxygen, glycolysis takes place and can supply all of the anaerobic organisms' metabolic energy. Glycolysis, however, is only the first step in the degradation of glucose in aerobic cells.

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The wavefront is parallel to the motion's direction. The spherical wavefront still maintains its shape with a "nearby" lamp, therefore we cannot ignore the wavefront's shape.

In contrast to the shorter waves of blue light, the rings would be more widely separated for the longer wavelength red light. Since the wavefront from the Sun is coming from a point source, it is actually spherical. However, because of how tiny the Earth is in relation to the Sun and how far away the Sun is from the Earth. Since the pattern is made up of parallel straight-line-shaped fringes rather than the fringes of overlapping circles, Young's interference experiment with slits results in a crisper fringe pattern than with pinholes.

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A 20 rad/s angular frequency is used. An object's rotation or oscillation with regard to time is measured by its angular frequency, a scalar physical quantity. Usually, it is indicated by the Greek letters or.

The SI unit of radians per second, or rpm, is used to measure it (revolutions per minute). It deviates by a factor of two from frequency.

A block is fastened to a spring that oscillates. The function that plots its position (in cm) against time (in s) is as follows:

x= 1.5 cos (20 t) (20 t)

x=A cos w t is the formula for the oscillating particle's general equation.

w= 20 rad/sec is obtained by comparing equations (1) and (2).

Therefore, the oscillation's angular frequency is 20 rad/s.

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Answer:Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves.

Option B is correct. Except where a sign expressly states that you may not turn left at a red light, we are permitted to do so.

Give way to oncoming traffic, including pedestrians, when making a turn. When the signal is switching from green to red, the amber light allows time for vehicles to clear the road. Make sure there is enough space for approaching cars to pass. Look both ways for oncoming traffic or pedestrians before making any turns. You should turn from the lane that is closest to the direction you want to go and into the lane that is closest to the one you came from if there are no signs or lane markings to control turning.

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We know duat Momentum is conserved during Collision

P(i) = P(t) - part (a)

Part(b) Momentum = P

K(i) = 1/2 m₁ v₁ (1)²

K = p²/2m

K(1) = p2/2x mi

Solve for Vf.

m₁ x v₁  (i) = (m₁  +m₂) Vf.

V+ M₁  x V₁ (1)/(m₁  +m2)

Kf = p2 / (2x (m, +m₂))/p2(2xm,)) P2

= m₁ /m1+m2 = K.E Ratio

When two objects collide their total momentum before the collision is equal to their total momentum after the collision. This is the law of conservation of momentum. where M is the mass of the pendulum, m is the mass of the sphere, and v is the velocity of the center of mass of the composite system after the collision. According to the law of conservation of momentum, the sum of the momentum of the two bodies before the collision equals the sum of the momentum after the collision.

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The proton would move in x direction with a force of 2.64 x 10 power minus 4

Force = q ( v x b)

q = 1.6 x 10 -19 C

v = 5 x 10 power 5

b = 0.33 t

F = 1.6 x 10 -19 x 5 x  10 power 15 x 0.33

F =2.64 x 10 power minus 4

What is a magnetic field?

The magnetic field can be defined as an area around a magnet which exerts magnetic force and is caused by moving electric charge. Field lines are a visual tool used to represent magnetic fields.

Properties of Magnetic field are;

Hence in the given question proton would move in x direction with a force of 2.64 x 10 power minus 4

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The radius changing when the pile is 0.031 m^3/min​ high

What is a conical pile?

Bulk material that has been discharged from the end of a static conveyor falls freely, forming conical stockpiles. The descent of material through the gusty air produces blinding plumes of dust in open-air conical stacks. Geometrical domes assist your plant to achieve its environmental objectives by obstructing the wind and containing this dust.

h=3d/8 = 3r/4

dh/dt = 3/4dr/dt

dV/dt = 11 m^3/min

V=1/3pi*r^2*h

dV/dt = pi/3 [2rhdr/dt + r^2 dh/dt]

In an instant, h is given

h=8m

r=32/3 m

dV/dt = pi/3 [2rhdr/dt + r^2 dh/dt]

11 =  pi/3 [2*32/3*8dr/dt + 32*32/9* 3/4 dr/dt]

dr/dt = 0.041 m^3/min

dh/dt = 0.031 m^3/min

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Moment of inertia is moment of inertia is the rotational equivalent of mass because the rotational equivalent of mass

The torque of a rigid body is governed by a property called the moment of inertia, also referred to as the mass moment of inertia, angular mass, second moment of mass, or, more precisely, rotational inertia. In physics, the term "moment of inertia" refers to the quantitative measurement of a body's inertia with respect to rotation, or the resistance that a body shows when a torque is used to modify the rotational speed of an object around an axis. The axis may or may not be fixed, and it may or may not be internal or external. A property of matter known as inertia is the tendency for it to remain at rest or to move uniformly in a straight line without being affected by outside forces.

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The coefficeint of friction given that the object weighing 7.6 N requires a force of 3.1 N to push it along at constant velocity, is 0.41

We know already that coefficient of friction is related to frictional force and normal reaction according to the following formula:

Frictional force (N) = coefficient of friction (μ) × normal reaction (N)

F = μN

Using the above formula, we can obtain the coefficient of friction as illustrated below:

Frictional force (N) = coefficient of friction (μ) × normal reaction (N)

F = μN

3.1 = μ × 7.6

Divide both sides by 7.6

μ = 3.1 / 7.6

μ = 0.41

Thus, we can conclude that the coefficient of friction is 0.41

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The correct answer to Brewster’s angle is 48.8 degrees.

What is Brewsters's law?

The Brewster's angle is the angle of incidence at which polarised light travels perfectly through a clear dielectric surface without being refracted. The light that is reflected from the surface when unpolarized light is incident at this angle is therefore perfectly polarised.

This equation's name is Brewster's law, and the angle it specifies is Brewster's angle. For a glass medium in air, Brewster's angle for visible light is around 56° (n2 = 1.5), while it is roughly 53° for an air-water interface (n2 = 1.33)

Brewster's Angle is defined as the inverse tan of n 2 over n 1. The inverse tan of 1.52 divided by 1.33 is thus 48.8 degrees.

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Answer:

w=mg

Explanation:

w=2.5(10)

= 25N

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The expression for the value of the transverse mount stiffness, k, as a function of the relative speed of the bird, v, the bird mass, the mass of the engine and the maximum displacement is k = 1 / m (  m[tex]_{b}[/tex] v / I x I )²

m x ( t ) + k x ( t ) = F δ ( t )

I x I = F / m ω[tex]_{n}[/tex]

m = Mass of engine

k = Stiffness of transverse mount

F = Magnitude of impulse

ω[tex]_{n}[/tex] = Natural frequency

ω[tex]_{n}[/tex] = √ k / m

I x I = F / m ( √ k / m )

I x I = F / √ k m  → ( 1 )

For bird,

F  = m[tex]_{b}[/tex] v

Substitute this momentum value in ( 1 ),

I x I = m[tex]_{b}[/tex] v / √ k m

√ k = m[tex]_{b}[/tex] v / I x I √ m

k = 1 / m (  m[tex]_{b}[/tex] v / I x I )²

Therefore, the expression for the value of the transverse mount stiffness, k, as a function of the relative speed of the bird, v, the bird mass, the mass of the engine and the maximum displacement that the engine is allowed to vibrate is k = 1 / m (  m[tex]_{b}[/tex] v / I x I )²

The question is incomplete. The complete question is :

Consider the jet engine and mount indicated in fig.3 and model it as a mass on the end of a beam. the mass of the engine is usually fixed. find an expression for the value of the transverse mount stiffness, k, as a function of the relative speed of the bird, v, the bird mass, the mass of the engine and the maximum displacement that the engine is allowed to vibrate. Fig 3. is shown in the image attached below.

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Answer:

Explanation: GIVEN :

   ∅ =  45°

INITIAL VELOCITY (V·) = 45 FT/SEC

ACC DUE TO GRAVITY = 32 FT/SEC²

REQUIRED :

BY APPLYING FORMULA OF MAXIMUM HEIGHT OF PROJECTILE

     HMAX = V·²SIN²∅/2G

      HMAX =   45²SIN45²/2X32

        HMAX =   1012.5/64

         HMAX =  15.82FT

FOR MAX RANGE

                BY APPLYING FORMULA OF MAX RANGE

        R = V·²SIN2∅/G

        R = 45²SIN2X45/32

        R = 2025 X 1/32

        R = 63.28FT

1.08* is the inductance L of a coil connected to this capacitor if the oscillation frequency of the l-c circuit is 1.67 mhz.

A capacitor is a device that uses the accumulation of electric charges on two nearby surfaces that are electrically isolated from one another to store electrical energy in an electric field. It has two terminals and is a passive electrical component. Capacitance refers to a capacitor's effect.

An L-C circuit is a type of electric circuit that consists of a capacitor and an inductor coupled together. It is also known as a tuned circuit, tank circuit, or resonant circuit.

The inductance is found from the resonant frequency formula :

ω2= (2πf)2 =1/LC=L=1/(2πf)2C

So, L=1/(2π1.67*106hz)(4.14*10-12F)

L=1.08*[tex]10^{-5}[/tex]

Hence, 1.08*[tex]10^{-5}[/tex] is the inductance L of a coil connected to this capacitor if the oscillation frequency of the l-c circuit is 1.67 mhz.

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