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solution_pdf - fullwood(tf5349 Homework 1 Basics...

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fullwood (tf5349) – Homework 1 Basics – Catala – (49033) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points The pressure exerted by the atmosphere is about 1 × 10 5 Pa. Convert this to kPa. Correct answer: 100 kPa. Explanation: (1 × 10 5 Pa) 1 kPa 1000 Pa = 100 kPa . 002 10.0 points The volume of an object is given as a function of time by V = A + B t + C t 4 . Find the dimension of the constant C . 1. L 3 / T 4 correct 2. L 4 / T 3 3. L 2 / T 4 4. L / T 4 5. L / T Explanation: [ C t 4 ] = [ V ] [ C ] T 4 = L 3 [ C ] = L 3 T 4 . 003 (part 1 of 3) 10.0 points Express the length of a 150 yd dash in meters. Correct answer: 137 . 16 m. Explanation: Since 1 yd = 0 . 9144 m, = (150 yd) parenleftbigg 0 . 9144 m 1 yd parenrightbigg = 137 . 16 m . 004 (part 2 of 3) 10.0 points Express the length of a marathon run of 26 mi 385 yd in meters. Correct answer: 42186 m. Explanation: Since 1 mi = 1609 m and 1 yd = 0 . 9144 m, = (26 mi) parenleftbigg 1609 m 1 mi parenrightbigg + (385 yd) parenleftbigg 0 . 9144 m 1 yd parenrightbigg = 42186 m . 005 (part 3 of 3) 10.0 points Express the distance 3273 mi from Seattle, Washington, to Miami, Florida, in meters. Correct answer: 5 . 26626 × 10 6 m. Explanation: Since 1 mi = 1609 m, = (3273 mi) parenleftbigg 1609 m 1 mi parenrightbigg = 5 . 26626 × 10 6 m .
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