Answer:
27.0 milliliters is the nearest mililiter so 27.0 is the answer
Explanation:
can someone help im not sure of my answer
Answer:
Yes
Explanation:
But I feel also 2 is correct but your answer is right
An object is accelerating if it is moving _____. Circle all that apply
Answer: An object is accelerating if it is changing its velocity.
convert 1000m/10s in km/h (with explenation)
From which direction does most bad weather arrive? east west magnetic north South Pole
Answer:
most bad weather arrives from the west
Explanation:
At different latitudes, the Earth has conveyor belts of air which affect weather like the westerlies and the trade winds. North America is most influenced by the westerlies, which come from the west
How does increasing plant biomass affect atmospheric co2
Answer:
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Explanation:
Explain why the resistance of the current path through the extracellular fluid is much smaller than the resistance of the current path through the axoplasm. What gives rise to the potential difference between the extracellular fluid and the axoplasm?
Answer:
Explanation:What Gives Rise To The Potential Difference Between The Extracellular Fluid ... is much smaller than the resistance of the current path through the axoplasm.
Neurons in the axoplasm is acting like a leaky cable and its resistivity increases with length. The axon membrane will transfer the ions to te organelle called axolemma and thus the resistance of current path is more for axoplasm.
What is axoplasm?The cytoplasm found inside a neuron's axon is called axoplasm . This may account for more than 99% of the cytoplasm in some types of neuronal cells .
Organelles and other components of the axoplasm are different from those of the dendrites and cell body (soma) of the neuron. Materials are transported to or from the soma through the axoplasm during axonal transport, also referred to as axoplasmic transport.
One characteristic of a neuron's cable is its electrical resistance, or axoplasmic resistance, which influences how quickly an action potential travels down an axon.
The potential will move more slowly if the axoplasm contains a lot of molecules that are not electrically conductive because more ions will pass through.
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Consider a trip to a lake. The sand warms up rapidly (and then burns your feet), while the water remains cool.
Which has the greater specific heat capacity, the sand or water?
A heavy bank-vault door is opened by the application of a force of 300 N directed perpendicular to the plane of the door at a distance of 0.80 m from the hinges. What is the torque?
300 Nm
240 Nm
375 Nm
120 Nm
The torque would be 240 Nm
A massive tractor is rolling down a country road. In a perfectly inelastic collision, a small sports car runs into the machine from behind. (i) Which vehicle experience a change in momentum of larger magnitude? (a) The car does. (b) The tractor does. (c) Their momentum changes are the same size. (d) It could be either vehicle. (ii) Which vehicle experiences a larger change in kinetic energy? (a) The car does. (b) The tractor does. (c) Their kinetic energy changes are the same size. (d) It could be either vehicle.
Explanation:
In an inelastic collision, the momentum remains conserved while the kinetic energy is not conserved.
(i) Here, a small sports car runs into the machine from behind.
Due to the conservation of momentum, it remains conserved. It means their momentum changes are the same size.
Hence, the correct option is (c).
(ii) The car is moving faster than the tractor. A faster moving object will lose more energy as compared to the other. It means car's most of the energy is converted to internal energy. The car will have a a larger change in kinetic energy. Hence, the correct option is (a).
how is it possible to move man made things
Answer: Because the human body is designed to use their muscles to create and transfer things from place to place, and that some man-made objects are light enough to be moved..?
What is the box on an instrument used for
Answer:
A sound box or sounding box (sometimes written soundbox) is an open chamber in the body of a musical instrument which modifies the sound of the instrument, and helps transfer that sound to the surrounding air. Objects respond more strongly to vibrations at certain frequencies, known as resonances.
Explanation:
Determine the tangential speed of the moon given the mass of Earth and the distance from Earth to the moon. Determine the tangential speed of a satellite that takes 90 minutes to complete an orbit 150 km above Earth’s surface.
B and A
Yes, just a B and an A.
Answer:
1. B
2. A
Explanation:
edge2020
On 16th August 2020, an asteroid (later called 2020 QG) has been recorded as the closest
asteroid (spotted so far) that flew by the Earth without colliding with it. At the nearest point
of approach, it was only 2 950 km above Earth’s surface and it had a velocity v = 12.3 km·s
−1
.
How much higher was its velocity compared to the escape velocity at that height above Earth’s
surface? Find the ratio v/vesc.
Answer:
V/Ve = 1.1
Explanation:
The formula to find the escape velocity of an object at a distance from Earth's Surface is given as follows:
Ve = √[2GM/R]
where,
Ve = escape velocity = ?
G = Universal Gravitational Constant = 6.67 x 10⁻¹¹ N.m²/kg²
M = Mass of Earth = 5.97 x 10²⁴ kg
R = Radius of Earth = 6.37 x 10⁶ m
Therefore,
Ve = √[2(6.67 x 10⁻¹¹ N.m²/kg²)(5.97 x 10²⁴ kg)/(6.37 x 10⁶ m)]
Ve = 11.2 x 10³ m/s = 11.2 km/s
Hence, the ratio will be:
V/Ve = (12.3 km/s)/(11.2 km/s)
V/Ve = 1.1
Which approach would be the most interested in studying Phineas Gage
Q2. Fill in the spaces with the correct form of the verb in future progressive tense.
1)
you (feed)
the dogs while Mom is in the hospital?
Answer:
will you fed the dogs while mom is in the hospital?
Explanation:
hope it may help
You will be feeding the dogs while Mom is in the hospital.
What is a verb?A verb is a word that is used to describe a certain action, state, or event.
What is a future progressive tense?The future progressive tense is a verb tense that denotes that something will happen in the future and will last a certain amount of time.
What is the syntax of future progressive tense?The syntax is Subject + will + be + verb + ing + rest of the predicate.
What are the other examples of future progressive tense?The other examples are:
I will be reading this every morning.It will be raining the entire week. etc.To learn more about the future progressive tense and verb here,
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A 25 kg mass is hanging from two cables, each with their own tension. Cable 1 is connected to the
ceiling at a 52° angle below horizontal and cable 2 is connected perpendicular to the right wall.
The entire system is stationary.
a. Draw the FBD
b. Calculate Ty and T2.
Answer:
a. one line down one line to the right one live to the northwest from the object
b. t1=190 t2=310
Explanation:
21. As a future healthcare professional, how could you use operant conditioning to minimize a patients’ fears or anxieties? (Remember: Operant conditioning relates to voluntary behaviors that are driven by reinforcers or punishments.)
Answer:
Try to be their friend
Explanation:
Ask what sports they like
Connect to them
Tell them embarrassing stories that happened to you
Always say that everything will be okay
A 2.93 kg particle has a velocity of (2.98 i hat - 3.98 j) m/s.
Required:
a. Find its x and y components of momentum.
b. Find the magnitude and direction of its momentum.
Answer:
a) The x and y components of the momentum are [tex]8.731\,\frac{kg\cdot m}{s}[/tex] and [tex]-11.661\,\frac{kg\cdot m}{s}[/tex], respectively.
b) The magnitude and direction of its momentum are approximately 14.567 kilogram-meters per second and 306.823º.
Explanation:
a) The vectorial equation of momentum is represented by the following expression:
[tex]\vec p = m\cdot \vec v[/tex] (1)
Where:
[tex]\vec p[/tex] - Vector momentum, measured in kilogram-meters per second.
[tex]m[/tex] - Mass of the particle, measured in kilograms.
[tex]\vec v[/tex] - Vector velocity, measured in meters per second.
If we know that [tex]m = 2.93\,kg[/tex] and [tex]\vec v = 2.98\,\hat{i}-3.98\,\hat{j}\,\,\,\left[\frac{m}{s} \right][/tex], then the momentum is:
[tex]\vec p = (2.93)\cdot (2.98\,\hat{i}-3.98\,\hat{j})\,\,\,\left[\frac{kg\cdot m}{s} \right][/tex]
[tex]\vec p = 8.731\,\hat{i}-11.661\,\hat{j}\,\,\,\left[\frac{kg\cdot m}{s} \right][/tex]
The x and y components of the momentum are [tex]8.731\,\frac{kg\cdot m}{s}[/tex] and [tex]-11.661\,\frac{kg\cdot m}{s}[/tex], respectively.
b) The magnitude and direction of momentum are represented by the following expressions:
[tex]\|\vec p \| = \sqrt{p_{x}^{2}+p_{y}^{2}}[/tex] (2)
[tex]\theta = \tan^{-1}\left(\frac{p_{y}}{p_{x}} \right)[/tex] (3)
Where:
[tex]\|\vec p\|[/tex] - Magnitude of momentum, measured in kilogram-meters per second.
[tex]\theta[/tex] - Direction of momentum, measured in sexagesimal degrees.
If we know that [tex]p_{x} = 8.731\,\frac{kg\cdot m}{s}[/tex] and [tex]p_{y} = -11.661\,\frac{kg\cdot m}{s}[/tex], then the magnitude and direction of momentum are, respectively:
[tex]\|\vec p\| = \sqrt{\left(8.731\,\frac{kg\cdot m}{s} \right)^{2}+\left(-11.661\,\frac{kg\cdot m}{s} \right)^{2}}[/tex]
[tex]\|\vec p\| \approx 14.567\,\frac{kg\cdot m}{s}[/tex]
[tex]\theta =\tan^{-1}\left(\frac{-11.661\,\frac{kg\cdot m}{s} }{8.731\,\frac{kg\cdot m}{s} } \right)[/tex]
[tex]\theta \approx 306.823^{\circ}[/tex]
The magnitude and direction of its momentum are approximately 14.567 kilogram-meters per second and 306.823º.
Which elastic modulus describes the relationship between stress and strain for a block of iron sliding across a horizontal floor? The friction force between the sliding block and the floor causes the block to deform.
A. Young's Modulus
B. Shear Modulus
C. Bulk Modulus
D. None of these
Answer:
B. Shear Modulus
Explanation:
In this scenario, the friction force between the sliding block and the floor causes the block to deform.
Hence, the elastic modulus which describes the relationship between stress and strain for a block of iron sliding across a horizontal floor is Shear Modulus.
Shear Modulus can be defined as the ratio of shear stress to shear strain with respect to a physical object.
This ultimately implies that, Shear Modulus arises as a result of the application of a shear force on an object or body which eventually leads to its deformation. Thus, this phenomenon is simply used by scientists to measure or determine the rigidity of an object or body.
Mathematically, Shear Modulus is given by the formula;
[tex] G = \frac {Fl}{ADx} [/tex]
Where;
G is the Shear Modulus.
F is the force applied to the object.
A is the area of the object.
l is the length of the object.
Dx is the change in length.
Shear Modulus is measured in Pascals.
A crate with a mass of 1000 kg is being pulled along greased tracks by a winch. The winch is exerting a force of 2000 N
in the horizontal direction along the tracks. The coefficient of kinetic friction between the crate and the tracks is 0.2.
20. What is the net force acting on the crate in the horizontal direction?
21.
Using Newton's second law, calculate the crate's acceleration.
Coefficient of Kinetic Friction = 0.2
Mass of the crate = 1000 kg
Force applied = 2000 N
Net force Acting on the crate in the Horizontal Direction:Normal Force applied on the Crate:Normal force is the force applied on the object by the surface. It is equal and opposite to the force of gravity
So, we can say that Normal force = | Gravitational Force |
Normal Force = | mg |
Normal Force = 1000 * 9.8
Normal Force = 9800 N
Finding the Frictional Force:We know that:
coefficient of Kinetic friction = Friction force / Normal force
replacing the known values
0.2 = Friction force / 9800
Friction Force= 0.2 * 9800
Friction Force = 1960 N
Net force acting on the Crate:
We know that a force of 2000 N is being applied on the crate in the Horizontal direction
Frictional force is always opposite to the horizontal force. So, we can say that:
Applied force - Friction Force = Net Force
replacing the variables
2000 - 1960 = Net force
Net Force = 40N
Therefore, a net force of 40N is being applied on the Crate
Acceleration of the Crate:From newton's second law of motion:
F = ma
replacing the variables
40 = 1000 * a
a = 40/1000
a = 0.04 m/s²
Hence, the crate will have an acceleration of 0.04 m/s²
a car accelerates from 4 meters/second to 16 meter/second in 4 seconds. The cars acceleration is how many meter/seconds.
Answer:
=3 metre per second ^2
Explanation:
Formula for acceleration is
V-U÷T
In the given information
V=16
U=4
T=4
Acceleration =16-4/4
=3 metre per second ^2
please i don't get this at all
Answer:
6.4 minutes
Explanation:
because it says 3.2 m/s times by two because of two miles so it would be 6.4
Why is a cell phone more likely to break when dropped from a higher height than a lower one?
A cell phone more likely to break when dropped from a higher height than a lower one because it has more potential energy at high height.
What is potential energy?Potential energy is the energy stored by an object as a result of its position relative to other objects, internal tensions, electric charge, or other reasons.
Potential energy is commonly defined as an object's gravitational potential energy, the elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field. The joule is the SI unit of energy.
Although it has connections to the Greek philosopher Aristotle's concept of potentiality, the word potential energy was coined by the 19th-century Scottish engineer and physicist William Rankine.
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VERY IMPORTANT PLS ANSWER!!!!!!!
as an object falls:
a) both velocity and acceleration increase
b) velocity increases and acceleration decreases
c) velocity increases and acceleration is unchanged
Answer:
c it is not accelerating on it's on but gravity pulls it there for velocity increases.
As an object falls, velocity increases and acceleration is unchanged. Therefore, option C is correct.
What do you mean by velocity ?The term velocity is defined as the direction of the movement of the body or the object.
Speed is fundamentally a scalar quantity. Velocity is, in essence, a vector quantity. It is the rate at which distance changes. It is the displacement rate of change.
The velocity of something is the rate at which it moves in a specific direction. For example, the speed of a car driving north on a highway or the speed of a rocket after launch. The scalar denotes that the absolute magnitude of the velocity vector is always the speed of motion.
Thus, it is not accelerating on it's on, but gravity pulls it there as velocity increases.
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What is the average speed in mph for a car that travels for 5 hours and 20 minutes?
Answer: If you meant 5 miles in 20 minutes than it’s 1 mile in 5 minutes
Explanation:
The car's average speed is
0.1875 • (the number of miles it covered)
Why can't heat be transferred between two objects that have the same temperature
Answer: Because temperature is a measure of the average kinetic energy of the atoms or molecules in the system. The zeroth law of thermodynamics says that no heat is transferred between two objects in thermal equilibrium; therefore, they are the same temperature.
Explanation:9 (- _ -)
2.O.05 LC) Which of the following best describes the use of a non-renewable resource?
Answer:
C. Oil is burnt to heat water into steam in order to turn turbines and produce electricity.
Explanation:
Oil is a fossil fuel which found in geologic formations within the earth. It is one of the non-renewable resources found on earth.
This is because, the rate at which it being consumed cannot be effectively replenished. It takes several millions of years for oil to form. Other choices are examples of renewable energy sources.Solar, wind, geothermal energy are all renewable sources of energy and any of those choice is wrong.
4.) A hydroelectric dam runs water thru turbines that are connected to
generators to create electricity. What energy does the dam transfer to electrical
energy?
Answer:
Explanation:
A turbine and generator produce the electricity
"A hydraulic turbine converts the energy of flowing water into mechanical energy. A hydroelectric generator converts this mechanical energy into electricity.
Which processes transfer energy from the core to the photosphere?
radiation, then friction
convection, then conduction
radiation, then convection
conduction, then friction
Answer:
radiation, then convection
Answer:
C, radiation then convection
Explanation:
got it correct on edgen (the sun's energy quiz)