Answers

2014-08-25T21:59:57+05:30
When the ball is moving upward the acceleration acting on it is '-g'. Due to this negative acceleration at a time its velocity will be equal to zero ( v = u - gt ) at the top. then this acceleration will brought the ball to the ground.
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2014-08-26T03:25:07+05:30

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Velocity at the top position : 0

Acceleration at the top position : - g = -9.81 m/sec²  in the direction vertically  downwards.


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