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Questions  

The displacement of a particle executing S.H.M from its mean position is given by x=0.5sin(10πt+ϕ)cos(10πt+ϕ). The ratio
of the maximum velocity to the maximum acceleration of the body is given by

a
20π
b
1/20π
c
1/10π
d
10π

detailed solution

Correct option is B

x=Asin(ωt+f)cos(ωt+f)=A2sin⁡(2ωt+2f)

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