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The coordinate of a particle moving in a plane are given by ` x(t) = a cos (pt) and y(t) = b sin (pt)` where `a,b (lt a)` and `P` are positive constants of appropriate dimensions . ThenA. The path of the particle is an ellipseB. Velocity and acceleartion of the particle are perpendicular to each other at `t=(pi)/(2p)`C. Acceleration of the particle is always directed towards a fixed pointD. distance travelled by the particle in time internval between `t=0 and t=(pi)/(2p)` is a |
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Answer» Correct Answer - D |
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