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Questions  

The radius of circle, the period of revolution, initial position and sense of revolution are indicated in the figure.

y-projection of the radius vector of rotating particle P is

a
y(t) = 3cos(πt2), where y in m
b
y(t) = -3cos2π t, where y in m
c
y(t) = 4sin(πt2), where y in m
d
y(t) = 3cos(3πt2), where y in m

detailed solution

Correct option is A

ω = 2π4 = π2For y-projection, y = Acos(ωt)⇒y = 3cos(πt2)

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