hw5 - kveton (ajk643) hw5 morrison (60620) 1 This print-out...

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Unformatted text preview: kveton (ajk643) hw5 morrison (60620) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A lunar vehicle is tested on Earth at a speed of 10 km/h. When it travels this fast on the moon, how does its momentum compare to the momen- tum on Earth? 1. the same as on Earth 2. less than on Earth 3. greater than on Earth 4. None of these 002 10.0 points When an apple falls from a tree and strikes the ground without bouncing, what happens to its momentum? 1. The momentum of the falling apple is transferred to the Earth. 2. The momentum of the apple while falling is increasingly smaller. 3. The speed of the apple is equal and oppo- site to the speed of the Earth. 4. The momentum of the apple after striking the ground is reversed. 003 (part 1 of 2) 10.0 points Two 1 kg balls move away from each other, one traveling 1 m / s to the right, the other 2 m / s to the left. What is the magnitude of the total mo- mentum of the system? Answer in units of kg m / s. 004 (part 2 of 2) 10.0 points Two 900 kg cars drive east; the first moving at 30 m / s, the second at 15 m / s. What is the magnitude of the total mo- mentum of the system? Answer in units of kg m / s. 005 10.0 points What velocity must a car with a mass of 1220 kg have in order to have the same mo- mentum as a 2220 kg pickup truck traveling at 29 m / s to the east? Answer in units of m / s....
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This note was uploaded on 11/10/2009 for the course PHY 309K taught by Professor Fischler during the Fall '08 term at University of Texas at Austin.

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hw5 - kveton (ajk643) hw5 morrison (60620) 1 This print-out...

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