The two bodies are joined together after the collision.
Therefore, the collision is perfectly inelastic.
A bullet of mass mb is fired horizontally with speed vi at a wooden block of mass mw resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest.
A. Which of the following best describes this collision? perfectly elastic partially inelastic perfectly inelastic
B. Which of the following quantities, if any, are conserved during this collision? kinetic energy only momentum only kinetic energy and momentum neither momentum nor kinetic energy.
C. What is the speed of the block/bullet system after the collision?
Express your answer in terms of vi , mw , and
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