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If the distance s travelled by a particl...

If the distance `s` travelled by a particle in time `t` is `s=a sin t +b cos 2t`, then the acceleration at `t=0` is: a)`a` b)`-a` c)`4a` d)`-4b`

A

a

B

`-a`

C

4b

D

`-4b`

Text Solution

Verified by Experts

The correct Answer is:
D
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