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Questions  

The equation of the displacement of two particles making SHM are represented by y1=a sin(ωt+ϕ) & y2=acos(ωt). Phase difference
between velocities of two particles is

a
π2+ϕ
b
−ϕ
c
ϕ
d
ϕ−π2

detailed solution

Correct option is D

v1=dy1dt=aωcos(ωt+φ)v2=dy2dt=−aωsin(ωt);Δϕ=ϕ−π2

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