The radius of circle, the period of revolution, initial position and sense of revolution are indicated in the fig. y - projection of the radius vector of rotating particle P is :

1. A. y(t)=3 ( t 2 ) , where y in m
2. B. y(t)=-3 2 t , where y in m
3. C. y(t)=4 ( t 2 ) , where y in m
4. D. y(t)=3 ( 3 t 2 ) , where y in m

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