Practice Questions for Exam 2-problems

Practice Questions - markowitz(am45362 – Practice Questions for Exam 2 – distler –(56295 1 This print-out should have 11 questions

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Unformatted text preview: markowitz (am45362) – Practice Questions for Exam 2 – distler – (56295) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A 4 . 3 g bullet is stopped in a block of wood ( m w = 4 . 8 kg). The speed of the bullet- plus-wood combination immediately after the collision is 0 . 71 m / s. What was the original speed of the bullet? Answer in units of m / s 002 10.0 points Particle 1 with momentum → p 1 strikes Par- ticle 2, which is at rest. The particles move in different directions after the collision. The momenta after the collision are → p 1 ′ and → p 2 ′ . What relationship is true? 1. p 1 x = p ′ 1 x − p ′ 2 x 2. p 1 y = p ′ 1 y − p ′ 2 y 3. p 1 y = p ′ 2 y 4. p 1 x = p ′ 1 x + p ′ 2 x 5. ( p ′ 1 ) 2 = p 2 1 + ( p ′ 2 ) 2 6. → p 1 ′ = → p 2 ′ 7. p 2 1 = ( p ′ 1 ) 2 + ( p ′ 2 ) 2 003 10.0 points A rock of mass m is thrown horizontally off a building from a height h . The speed of the rock as it leaves the thrower’s hand at the edge of the building is v , as shown....
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This note was uploaded on 11/29/2011 for the course PHY 302K taught by Professor Kaplunovsky during the Spring '08 term at University of Texas at Austin.

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Practice Questions - markowitz(am45362 – Practice Questions for Exam 2 – distler –(56295 1 This print-out should have 11 questions

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