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pshichka [43]
3 years ago
10

In the United States, car accidents are the leading cause of death for teenagers. Wearing seat belts helps save lives. Describe

how Newton’s three laws of motion are used in testing the safety of our automobiles.
Physics
1 answer:
Mashutka [201]3 years ago
7 0
-An object in motion or at rest will stay at rest or in motion unless acted by anther force. - A seat belt keeps you from flying from your car when it is hit to help keep you still and in your seat along with an air bag.
-Force = Mass X Acceleration - Used to find how much force a human can take if the car is going at a certain speed to adjust the airbag to keep the person alive.
-For every action, there is an equal and opposite reaction - This is used to show that the car must be balanced and tested in many other ways. The car's tires and axle must be strong enough to hold the weight of the car which is right over it.
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How is item A different from Item B?
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A satellite of mass m completes one revolution around the earth at a constant speed s and radius r.
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d. The magnitude of the work done by the earth on the satellite is non zero

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3 years ago
wo parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero volts. (a) What is the magnitude
melisa1 [442]

Answer:

<em> -18896.49 V/m</em>

<em></em>

Explanation:

Distance between the two plates = 10 cm = 10 x 10^{-2} m = 0.1 m

Also, one of the plates is taken as<em> zero volt.</em>

a. The potential strength between the zero volt plate, and 7.05 cm (0.0705 m) away is 393 V

b. The potential strength between the other plate, and 2.95 cm (0.0295 m) away is 393 V

<em>Potential field strength = -dV/dx</em>

where dV is voltage difference between these points,

dx is the difference in distance between these points

For the first case above,

potential field strength = -393/0.0705 = -5574.46 V/m

For the second case ,

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Magnitude of the field strength across the plates will be

-5574.46 + (-13322.03) = -5574.46 + 13322.03 =<em> -18896.49 V/m</em>

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