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A block of mass m is attached to a pulle...

A block of mass m is attached to a pulley disc of equal mass m, radius r by means of a slack string as shown. The pulley is hinged about its centre on a horizontal table and the block is projected with an initial velocity of 5 m/s. Its velocity when the string becomes taut will be :

A

3 m/s

B

2.5 m/s

C

5/3 m/s

D

10/3 m/s

Text Solution

Verified by Experts

The correct Answer is:
D
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