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The velocity acquired by a body moving w...

The velocity acquired by a body moving with uniformaccelertion is `30 m s^(-1)` in `2s` and `60 ms ^(-1)` in `4 s`, The initial velocity is .

A

zero

B

` 2ms^(-1)`

C

`3 ms^(-1)`

D

`10ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`30=u+axx2, 60=u+axx4`
Solve to get `u=0`,
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