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in Kinematics by (46.4k points)
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Consider a rubber ball freely falling from a height h = 4.9 m onto a horizontal elastic plate. Assume that the duration of collision is negligible and the collision with the plate is totally elastic. Then, the velocity as a function of time the height as function of time will be

1 Answer

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by (64.1k points)
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Best answer

Correct option (c)

Explanation :

As we know that for vertical motion,

h = 1/2gt2

v = - gt and after the collision,
v = gt (straight line).
Collision is perfectly elastic, then ball reaches to same height again and again with same velocity.

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