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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A particle of mass m is moving with a constant speed v in a circular path in a smooth horizontal plane (plane of paper) by a spring force as shown in Fig. If the natural length of the spring is l0 ​and stiffness of the spring is k, find the elongation of the spring.

A particle of mass m is moving with a constant speed v in a circular path in a smooth horizontal plane (plane of paper) by a spring force as shown in Fig. If the natural length of the spring is l0 ​and stiffness of the spring is k, find the elongation of the spring.

A coin is pushed down tangentially from an angular position theta on a cylindrical surface with a velocity v as shown in figure If the coefficient of friction the coin and surface is mu find the tangential acceleration of the coin