Published by:
CGP EDU Academic Team
Published on: August 23, 2026
Two masses m and 2 m are connected by a light string going over a pulley (disc) of mass 30 m with radius 
. The pulley is mounted in a vertical plane and it is free to rotate about its axis. The 2 m mass is released from rest and its speed when it has descended through a height of 3.6 m is 
. (Assume string does not slip and 
Text Solution
Verified by ExpertsThe correct answer is:
2
(2)
Using energy conservation
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