Momentum & collisions quiz
Five questions on Momentum & collisions. Answer all 5 to see your score.
Question 1 of 5
A 0.30 kg ball hits a wall head-on at 12 m/s and rebounds at 12 m/s. What is the magnitude of the impulse the wall delivers to the ball?
Question 2 of 5
A 60 kg astronaut floating at rest throws a 3.0 kg wrench at 8.0 m/s, straight away from herself. What is her recoil speed?
Question 3 of 5
A 2.0 kg cart moving right at 6.0 m/s collides with a 1.0 kg cart moving left at 3.0 m/s, and they lock together. What is their common velocity?
Question 4 of 5
Two identical 0.50 kg pucks collide elastically on frictionless ice. Puck A moves at 4.0 m/s and hits stationary puck B head-on. What are the velocities after the collision?
Question 5 of 5
A 2.0 kg object glides at 5.0 m/s when a steady 12 N force pushes back on it for 0.75 s. What is its final velocity?
