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Practice Exam - P151 Practice Problems F08 IGNORE AIR...

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P151: Practice Problems F’08 IGNORE AIR RESISTANCE IN ALL PROBLEMS ON THIS EXAM. Use: g = 9.8 m/s 2 as the acceleration due gravity on Earth. ------------------------------------------------------------- 1. Mark >>>> A <<<< as the answer to the first question. ------------------------------------------------------------- 2. The furlong is a unit of length. One furlong equals to 660 feet (220 yards). The fortnight is a unit of time. One fortnight equals 2 weeks. A speed of one furlong per fortnight is closest to A) 0.17 mm/s B) 3.2 km/s C) 1.0 m/s D) 0.2 mm/s E) 0.6 m/s Machmer Hall is 400 m North, and 180 m West, of Witless Building. A student is late for an appointment in Machmer, and wants to run there directly from Witless. 3. What is the distance from Witless to Machmer? 4. In what direction should she run? (There is a direct path between these buildings.) T 5. Each vector begins in the center of the rectangle at the right Which vector equals W + 2 R ? U S V X
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6. In the graph shown above, what is the average speed during the time period shown? A) 1.2 m/s B) 1.5 m/s C) 0.4 m/s D) 0.5 m/s E) 0.0 m/s
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