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Unformatted text preview: lie (el7352) WH08 markert (56480) 1 This print-out should have 11 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 hawk flies in a horizontal arc of radius 17 . 9 m at a constant speed of 3 . 3 m / s. Find its centripetal acceleration. Answer in units of m / s 2 . 002 (part 2 of 2) 10.0 points It continues to fly along the same horizon- tal arc but increases its speed at the rate of . 65 m / s 2 . Find the magnitude of acceleration under these new conditions. Answer in units of m / s 2 . 003 10.0 points A bug is crawling along the rim of a pizza pan, with increasing speed. Which sketch shows qualitatively the direc- tion of the net force summationdisplay F acting on the bug as it crawls? 1. b 2. None of these 3. b 4. b 5. b 6. b 7. b 004 (part 1 of 2) 10.0 points An air puck of mass 0.029 kg is tied to a string and allowed to revolve in a circle of radius 1.1 m on a frictionless horizontal surface. Them on a frictionless horizontal surface....
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- Fall '09