The pulley shown in fig. has radius 20 cm and MOI 0.2 kg m 2 . Spring used has force constant 50 Nm -1 . The system is released from rest. Find the velocity of 1kg block when it has descended 10 cm.
Text Solution
Verified by ExpertsThe correct answer is:
A
mgx = 
kx 2 + 
I ω ω 2 + 
mv 2
1(10) (.1) = 
⇒ ⇒ 2 = 0.5 + 6 v 2
or v = 1/2 ms -1
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