Question

Quiz questions

Part 1 :

1) A 86.0 ?? diver steps off a 10.0 ? high diving board and drops, from rest, straight down into the water. If he comes to rest 7.20 ? beneath the surface of the water, determine the average resistive force exerted by the water.

2) A 10,000 ?g railroad carriage travelling at a speed of 24.0 ?? −1 collides with an identical, stationary carriage. They lock together and move off as a single unit.

a. Use the LOCOM to calculate the velocity of the two carriages after the collisions.

b. Prove that the collision is inelastic.

Part 2 :

3) A 3.00 ?? object moving to the right at 5.00 ?? −1 collides elastically with a 2.00 ?? object also moving toward the right at 2.00 ?? −1 . Find the velocity of each object after the collision.

Answer 1