In a head-on automobile accident, a 1300-kg car that is moving to the right with a speed of 22.2 m/s collides with a 915-kg car that is moving to the...

In a head-on automobile accident, a 1300-kg car that is moving to the right with a speed of 22.2 m/s collides with a 915-kg car that is moving to the left. Immediately after the collision, the 1300-kg car is at rest and the 915-kg car is moving to the right at a speed of 4.76 m/s. What was the initial velocity of the 915-kg car? Take right to be the positive direction. answer in m/s