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Unformatted text preview: yindeemark (rry82) Homework 2 chelikowsky (59005) 1 This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Two ants race across a table 68 cm long. One travels at 4 . 04 cm / s and the other at 3 cm / s. When the first one crosses the finish line, how far behind is the second one? Answer in units of cm. 002 10.0 points Assume: 1 . 74 km / lap. A race car is one lap behind the lead race car when the lead car has 60 laps to go in a race. If the speed of the lead car is 69 . 6 m / s, what must be the average speed of the second car to catch the lead car just before the end of the race ( i. e., right at the finish line)? Answer in units of m / s. 003 10.0 points What is the acceleration of a vehicle that changes its velocity from 500 km / h to a dead stop in 30 s ? Answer in units of m / s 2 . 004 10.0 points Henry hits a hockey puck at time, t t , which is stopped by a net starting at time, t t 1 ....
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This note was uploaded on 03/26/2010 for the course PHY 303K taught by Professor Turner during the Fall '08 term at University of Texas at Austin.
- Fall '08