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Free Fall Practice

Last updated over 1 year ago

6 questions

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Question 1

1.

A penny is dropped from rest from the top of the Willis (Sears) Tower in Chicago. Considering that the height of the building is 427 m and ignoring air resistance, find the speed with which the penny strikes the ground.

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Question 2

2.

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before touching the ball?

A diver springs upward with an initial speed of 1.8 m/s from a 3.0-m board.

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Question 3

3.

Find the velocity with which she strikes the water. Note the starting upward velocity is positive

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Question 4

4.

What is the highest point she reaches above the water?

Question 5

5.

A very strong, but inept, shot putter puts the shot straight up vertically with an initial velocity of 11.0 m/s. How long does he have to get out of the way if the shot was released at a height of 2.20 m, and he is 1.80 m tall?

Question 6

6.

You throw a ball straight up with an initial velocity of 15.0 m/s. It passes a tree branch on the way up at a height of 7.00 m. How much additional time will pass before the ball passes the tree branch on the way back down?