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A gramophone turn table rotating at 75 r...

A gramophone turn table rotating at 75 rpm slow down uniformly and stops in 5 s after the motor is turned-off . Its angular acceleration `(rads^-2)`is

A

`-0.42`

B

`-0.89`

C

`-1.57`

D

`-1.96`

Text Solution

Verified by Experts

The correct Answer is:
C
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