Question

A 2.50 kg mass moving 7.50 m/s to the right collides head on with a 4.90 kg mass. After the collision the 2.50 kg mass is moving 5.00 m/s to the left and the 4.90 kg mass is moving 4.88 m/s to the right.

a. Calculate the velocity of the 4.90 kg mass before the collision

b. If the collision lasts for 0.0625 seconds calculate the force that acted on each mass during the collision.

Answer 1