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Author Question: A ball is thrown straight upward with an initial speed of 30 m/s. Assuming there is no air ... (Read 68 times)

acc299

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on: Jul 28, 2018
A ball is thrown straight upward with an initial speed of 30 m/s. Assuming there is no air resistance, how high does the ball go before falling back down?

Question 2

A bicyclist starts from rest at the top of a hill and rolls down the hill without pedaling. Assuming there is no friction and the bottom of the hill is 20 meters below the top, what is the bicyclist's speed at the bottom of the hill?


emsimon14

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Reply #1 on: Jul 28, 2018
Answer to Question 1

45.9 m

Answer to Question 2

19.8 m/s


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