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13.Tangential acceleration of a particle...

13.Tangential acceleration of a particle moving in a circle of radius 1 m varies with time t as initial velocity of particle is zero). Time after which total cceleration of particle makes and angle of 30° with radial acceleration is a, (ms) 60° (A) 4 sec (C) 22/2 sec Sol. time(sec) (B) 4/3 sec (D) 2 sec

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