The frictionless system shown is released from rest. After the right-hand mass has risen 75 cm, the object of mass 0.50m falls loose from the system. What is the speed of the right-hand mass when it returns to its original position?​

The frictionless system shown is released from rest After the righthand mass has risen 75 cm the object of mass 050m falls loose from the system What is the spe class=