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Unformatted text preview: burgin (lcb626) HW01 markert (56480) 1 This printout should have 21 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 4) 10.0 points How many significant figures are in 65 . 8 . 2 m? 1. 5 2. 1 3. 2 4. 3 correct 5. 4 6. None of these 7. 6 Explanation: Addition or subtraction of values measured in tenths of a meter are to be rounded to the nearest tenth of a meter. 002 (part 2 of 4) 10.0 points How many significant figures are in 2 . 567 10 18 s? 1. 3 2. 1 3. 5 4. 4 correct 5. 2 6. None of these 7. 6 Explanation: Every digit in scientific notation is signifi cant. 003 (part 3 of 4) 10.0 points How many significant figures are in 2 . 43 10 10 kg? 1. 6 2. 5 3. 3 correct 4. 2 5. 4 6. 1 7. None of these Explanation: Every digit in scientific notation is signifi cant. 004 (part 4 of 4) 10.0 points How many significant figures are in 0 . 0059 mm? 1. 1 2. 2 correct 3. 3 4. 5 5. 4 6. None of these 7. 6 Explanation: The first nonzero digit is the first signifi cant digit. 005 10.0 points Convert an acceleration of 3 . 1 mi / h / s to m / s 2 . Correct answer: 1 . 38553 m / s 2 . Explanation: burgin (lcb626) HW01 markert (56480) 2 Let : a = 3 . 1 mi / h / s . a = 3 . 1 mi h s 1 . 609 km 1 mi 1000 m 1 km 1 h 3600 s = 1 . 38553 m / s 2 . 006 (part 1 of 2) 10.0 points The elevators in the John Hancock building in Chicago move 678 ft in 36 s. What is their speed? Correct answer: 5 . 7404 m / s....
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This note was uploaded on 10/25/2010 for the course PHY PHYSICS taught by Professor Swinney during the Fall '08 term at University of Texas at Austin.
 Fall '08
 Swinney

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