Problem: 7. When a rock thrown straight upwards gets to the exact top of its path, its A) velocity is zero and its acceleration is about 10 meters per second per second. B) velocity is about 10 m/s and its acceleration is about 10 meters per second per second. C) velocity is zero and its acceleration is zero. D) velocity is about 10 m/s and its acceleration is zero. E) none of these 

FREE Expert Solution

7.

The top of the path is the maximum height. 

At maximum height, the rock stops for an instant, so velocity is zero.

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Problem Details

7. When a rock thrown straight upwards gets to the exact top of its path, its 

A) velocity is zero and its acceleration is about 10 meters per second per second. 

B) velocity is about 10 m/s and its acceleration is about 10 meters per second per second. 

C) velocity is zero and its acceleration is zero. 

D) velocity is about 10 m/s and its acceleration is zero. 

E) none of these 

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Vertical Motion and Free Fall concept. You can view video lessons to learn Vertical Motion and Free Fall. Or if you need more Vertical Motion and Free Fall practice, you can also practice Vertical Motion and Free Fall practice problems.