A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of 1.49 m. (Assume that the positive direction is upward.)   (a) Calculate its velocity just before it strikes the floor.   m/s   (b) Calculate its velocity just after it leaves the floor on its way back up.  m/s   (c) Calculate its acceleration during contact with the floor if that contact lasts 3.50 ms.  m/s2   (d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid? m

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –