Physics 15200- HW3

Physics 15200- HW3 - lai(yl8859 – HW03 – Ross –(15200...

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Unformatted text preview: lai (yl8859) – HW03 – Ross – (15200) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A train is moving parallel and adjacent to a highway with a constant speed of 23 m / s. Ini- tially a car is 59 m behind the train, traveling in the same direction as the train at 35 m / s and accelerating at 4 m / s 2 . What is the speed of the car just as it passes the train? Answer in units of m / s. 002 (part 1 of 2) 10.0 points A motorist is traveling at 12 m / s when he sees a deer in the road 44 m ahead. If the maximum negative acceleration of the vehicle is- 7 m / s 2 , what is the maximum reaction time of the motorist that will allow him to avoid hitting the deer? Answer in units of s. 003 (part 2 of 2) 10.0 points If his reaction time is 2 . 99842 s, how fast will he be traveling when he reaches the deer?...
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This note was uploaded on 02/24/2011 for the course PHYS 152 taught by Professor Button during the Winter '08 term at IUPUI.

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