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A body is swinging on a swing such that ...

A body is swinging on a swing such that his lowest and highest positions are at heights of 2 and 4.5 m respectivel. His velocity at the lowest position is

A

`2.5 ms^(-1)`

B

`7 ms^(-1)`

C

`14 ms^(-1)`

D

`20 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-WORK POWER ENERGY-EXERCISE - 2
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