The position of a particle moving in the...

The position of a particle moving in the x-y plane at any time t is given by , `x=(3t^2-6t) metres, `y =(t^2-2t) metres. Select the correct statement.

A

acceleration is zero at t=0

B

velocity is zero at t=0

C

velocity is zero at t=1s

D

velocity and acceleration of the particle are never zero.

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