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A heavy body is moved by a machine which...

A heavy body is moved by a machine which provides constant power till time t. The distance covered is proportional to

A

`t^(3//2)`

B

`t^2`

C

`t^(1//2)`

D

`t`

Text Solution

Verified by Experts

The correct Answer is:
A
As. `P = W//t = (Fs)/(t)`
`therefore F = ma implies a = F/m = (Pt)/(sm) and S = 1/2 at^2` ?
`therefore S = 1/2 xx (Pt)/(sm) t^2`
`therefore S prop t^(3//2)`
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