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A soft tennis ball is dropped onto a hard floor from a
Chapter 25, Problem 58PE(choose chapter or problem)
A soft tennis ball is dropped onto a hard floor from a height of 1.50 m and rebounds to a height of 1.10 m. (a) Calculate its velocity just before it strikes the floor. (b) Calculate its velocity just after it leaves the floor on its way back up. (c) Calculate its acceleration during contact with the floor if that contact lasts 3.50 ms (3.50×10?3 s). (d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid?
Questions & Answers
QUESTION:
A soft tennis ball is dropped onto a hard floor from a height of 1.50 m and rebounds to a height of 1.10 m. (a) Calculate its velocity just before it strikes the floor. (b) Calculate its velocity just after it leaves the floor on its way back up. (c) Calculate its acceleration during contact with the floor if that contact lasts 3.50 ms (3.50×10?3 s). (d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid?
ANSWER:Step-by-step solution 58PE Step 1 of 5 Use following equation of kinematics to find the final velocity v of the ball, Rewrite the above equation, Where, is the initial positi n of the ball, is the final positio n of the ball, is the acceleration of the ball and is the initial velocity of the ball.