MHT CET 2023 Physics question
A particle of mass 'm' moves along a circle of radius 'r' with constant tangential acceleration. If K.E. of the particle is 'E' by the end of third revolution after beginning of the motion, then magnitude of tangential acceleration is
Answer: (B)
Solution
The particle starts from rest and moves with constant tangential acceleration along the arc. Distance covered in three revolutions: . From : $ =
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