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Unformatted text preview: lim (kl9356) Homework 17 Weathers (17104) 1 This printout should have 10 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 10.0 points a) Find the time it takes an object to hit the ground when it is dropped from a height of 67 using the model h = 16 t 2 + s, where s is the initial height, and t is in sec onds. Answer in units of sec. 002 (part 2 of 2) 10.0 points b) Find the time it takes an object to hit the ground when it is dropped from a height of 134 ft. 003 (part 1 of 2) 10.0 points Given: G = 6 . 67259 10 11 N m 2 / kg 2 Two hypothetical planets of masses 4 10 23 kg and 7 . 7 10 23 kg and radii 4 . 8 10 6 m and 6 . 1 10 6 m, respectively, are at rest when they are an infinite distance apart. Because of their gravitational attraction, they head toward each other on a collision course....
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This note was uploaded on 09/07/2010 for the course PHYS 1710 taught by Professor Weathers during the Fall '08 term at North Texas.
 Fall '08
 Weathers
 Magnetism, Work

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