Q.
A body of mass 0.5 kg is performing SHM with a time period π/2 seconds. If its velocity at mean position is 1ms–1, then restoring force acting on the body at a phase angle 60° from extreme position is
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a
0.5 N
b
1 N
c
2 N
d
4 N
answer is B.
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Detailed Solution
K=4π2mT2,Vmax=Aω;F=Kx=KACosπ3
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