Physics - alexander (apa395) Unit 7: Momentum 2 oliver...

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Unformatted text preview: alexander (apa395) Unit 7: Momentum 2 oliver (33304) 1 This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 10.0 points A 2340 kg car traveling to the west at 23.4 m/s slows down uniformly. a) How long would it take the car to come to a stop if the force on the car is 8380 N to the east? Answer in units of s. 002 (part 2 of 2) 10.0 points b) What is the cars displacement during the time it takes to stop? Answer in units of m. 003 10.0 points Two carts with masses of 4.7 kg and 3.6 kg move toward each other on a frictionless track with speeds of 5.5 m/s and 4.5 m/s, respec- tively. The carts stick together after colliding head-on. Find their final speed. Answer in units of m / s. 004 10.0 points A tennis player places a 67 kg ball machine on a frictionless surface. The machine fires a 0.051 kg tennis ball horizontally with a veloc- ity of 41 m / s toward the north. What is the final velocity of the machine? Answer in units of m / s. 005 10.0 points Two blocks of masses 5 kg and 17 kg are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them. A cord holding them together is burned, after which the block of mass 17 kg moves to the right with a speed of 9 . 3 m / s....
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Physics - alexander (apa395) Unit 7: Momentum 2 oliver...

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