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A one kg stone attached to a chain 60 cm...

A one kg stone attached to a chain 60 cm long is revolving at 3 rps. If after 30 second it is making one rps, find the mean torque.

A

0.45 Nm

B

0.35 Nm

C

0.25 Nm

D

0.15 Nm

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MODERN PUBLICATION-UNIT TEST PAPER NO.2 -MCQ
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