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. The velocity and acceleration of the particle are normal to each other at `t = pi//(2p)`C. The acceleration of the particle is always directed towards a focusD. The distance travelled by the particle in time interval `t = 0` to `t = pi//(2p)` is a

The coordinate of a particle moving in a plane are given by ` x(t) = a

1.	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. The velocity and acceleration of the particle are normal to each other at `t = pi//(2p)`C. The acceleration of the particle is always directed towards a focusD. The distance travelled by the particle in time interval `t = 0` to `t = pi//(2p)` is a
Answer» Correct Answer - A::B

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