A soft tennis ball is dropped onto a hard floor from a height of 1.70 m and rebounds to a height of 1.26 m. (Assume that the positive direction is upward.) (a) Calculate its velocity (in m/s) just before it strikes the floor.   m/s (b) Calculate its velocity (in m/s) just after it leaves the floor on its way back up.   m/s (c) Calculate its acceleration (in m/s2) during contact with the floor if that contact lasts 3.50 ms.   m/s2 (d) How much (in m) did the ball compress during its collision with the floor, assuming the floor is absolutely rigid?   m

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Chapter1: Units, Trigonometry. And Vectors
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A soft tennis ball is dropped onto a hard floor from a height of 1.70 m and rebounds to a height of 1.26 m. (Assume that the positive direction is upward.)
(a)
Calculate its velocity (in m/s) just before it strikes the floor.
  m/s
(b)
Calculate its velocity (in m/s) just after it leaves the floor on its way back up.
  m/s
(c)
Calculate its acceleration (in m/s2) during contact with the floor if that contact lasts 3.50 ms.
  m/s2
(d)
How much (in m) did the ball compress during its collision with the floor, assuming the floor is absolutely rigid?
  m
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