6. Your friend is going 30 mph, when she slams on the brakes. If you are not wearing a safety belt. Which way does your body move? How fast will you be going when you slam into the windshield? Explain why you move this way in terms your inertia.

Question

Physics

Haylie Lozano

2 April, 02:18

6. Your friend is going 30 mph, when she slams on the brakes. If you are not wearing a safety belt. Which way does your body move? How fast will you be going when you slam into the windshield? Explain why you move this way in terms your inertia.

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Answers (1)

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Julio · Answer 1

We will go in the same direction where the car was was moving before applying brakes

Our speed will be same as that of speed of the car before applying brakes i. e. 30 mph

This is due to law of inertia as we are initially moving with speed 30 mph so the due to inertia of motion of our body after applying brakes we move in the same direction.

Explanation:

As we know by Newton's first law that every object moves in its state of motion or state of rest until and unless some external force will act upon it.

Here we know that car is initially moving with speed 30 mph so our body has state of motion so it will have tendency to move in same direction.

Here when brakes are applied in the car then also our body will move with same speed in same direction due to inertia of motion.

So our body will strike with windshield with the speed of 30 mph.