Write your question here (Keep it simple and clear to get the best answer)A boy in the northern direction and started running toward instant direction if the distance has covered in northern direction is 4 kilometers and the instant direction is 3 kilometers determine

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.