A soft tennis ball is dropped onto a hard floor from a height of 1.85 m and rebounds to a height of 1.41 m. (Assume that the positive direction is upward.) (a) Calculate its velocity just before it strikes the floor. 3.5 m/s - WRONG (b) Calculate its velocity just after it leaves the floor on its way back up. 6.02 m/s - WRONG (c) Calculate its acceleration during contact with the floor if that contact lasts. 3222.76 - RIGHT (d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid? ???
A soft tennis ball is dropped onto a hard floor from a height of 1.85 m and rebounds to a height of 1.41 m. (Assume that the positive direction is upward.) (a) Calculate its velocity just before it strikes the floor. 3.5 m/s - WRONG (b) Calculate its velocity just after it leaves the floor on its way back up. 6.02 m/s - WRONG (c) Calculate its acceleration during contact with the floor if that contact lasts. 3222.76 - RIGHT (d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid? ???
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 51P: A tennis player tosses a tennis ball straight up and then catches it after 2.00 s at the same height...
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A soft tennis ball is dropped onto a hard floor from a height of 1.85 m and rebounds to a height of 1.41 m. (Assume that the positive direction is upward.)
(a) Calculate its velocity just before it strikes the floor.
3.5 m/s - WRONG
(b) Calculate its velocity just after it leaves the floor on its way back up.
6.02 m/s - WRONG
(c) Calculate its acceleration during contact with the floor if that contact lasts.
3222.76 - RIGHT
(d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid?
???
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