A point moves in the plane `xy` according to the law `x=a sin omegat`, `y=a(1-cos omega t)`, where
Channel: Doubtnut
Date: 2020-08-16

A point moves in the plane `xy` according to the law `x=a sin omegat`, `y=a(1-cos omega t)`, where a and `omega` are positive constants. Find:  (a) the distance s traversed by the point during the time `tau`,  (b) the angle between the point's velocity and acceleration vectors.