02:24 hr min A particle is moving in x-y plane. Its X and Y coordinate varies with time as X = a cos(at) and Y = b sin(at), where a, b and a are positive constant. Then which of the following options are correct? Equation of path followed by the particle is X2 y2 = 1 - a If a = b then acceleration will never be perpendicular to its velocity If a = b then net force on the particle will always be perpendicular to its velocity 2 Particle is performing periodic motion with time period T =
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