A bullet of mass mb is fired horizontally with speed vi at awooden block of mass mw resting on a frictionless table. The bullethits the block and becomes completely embedded within it. After thebullet has come to rest. Part A Which of the following bestdescribes this collision? perfectly elastic partially inelasticperfectly inelastic Part B Which of the following quantities, ifany, are conserved during this collision? kinetic energy onlymomentum only kinetic energy and momentum neither momentum norkinetic energy. Part C:

What is the speed of the block/bullet system after thecollision?

Express your answer in terms of vi , mw , andmb . vf = ?

Answer rating: 100% (QA)

Part A After a collision the bullet stays in the wooden block ... View the full answer