Honors Physics

Questions - Week 18

  1. What two things are conserved in an elastic collision?
  2. Object A has a mass of 5.00 kg and moves at 2.00 m/s parallel to the x-axis. It collides with Object B, which has a mass of 3.00 kg and is initially at rest. After the collision, Object A moves at 1.00 m/s, 30.0° above the x-axis. What is the final velocity of Object B?