The 2-kg collar is released from rest at A?and slides down the inclined fi xed rod in the vertical plane. The coefficient of kinetic friction is 0.40. Calculate (a) the velocity v?of the collar as it strikes the spring and (b) the maximum deflection x?of the spring.

2 kg A H = 0.40 60 0.5 m INIA k = 1.6 kN/m Problem 3/106