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A stone thrown vertically upwards with an initial velocity 30 metre per second comes to a stop in 5 s. Find the retardationoptions are: 6 metre per second square- 6 metre per second square5 metre per second square-5 metre per second square |
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Answer» ACCELERATION a= t v−u
= 5s 0−50ms −1
=−10ms −2
Retardation=−Acceleration −2 |
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