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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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Explanation:

Unclear question. The clear rendering reads;

"Into a U-tube containing mercury, pour on the other side sulfuric acid of density 1.84 and on the other side alcohol of density 0.8 so that the levels are in the same horizontal plane. The height of the acid above the mercury being 24 cm. What is the height of the bar and what variation of the level of the acid, when the mercury density is 13.6?

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