A 2-kg pellet travels with velocity 20 m/s to the right when it collides with a 38-kg hanging masswhich is initially at rest. After the collision, the pellet remains lodged in the hanging mass, i.e., it is a completely inelastic collision. The hanging mass (+pellet) then swings upward and reaches a maximum height hmax before swinging downward again. Assume that no external forces are present and therefore the momentum of the system is conserved.  a) What is the velocity vf of the hanging mass + pellet immediately after the collision?  m/s b) What is the final kinetic energy Kf of the hanging mass + pellet immediately after the collision?  J c) What is the maximum height hmax of the swinging hanging mass + pellet in centimeters?   cm

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