1. A ball is dropped from a height of 1.0m, bounces off the floor and is observed to rise up a maxium height of .8 m. How high will the ball rise after its second bounch.
2. A 1200 kg vehicle traveling at velocity V "rear ends" a stationary 1500 kg vechicle. The two cars stick together and slide 5.0 m before coming to a stop. If the coefficient of frction is 1.0, find V.