PHY 317K HOMEWORK # 1 DUE on September 8, 2009 by 8:00pm Instructions:Use a UT ANSWER SHEET to mark answers. Provide your NAME(last, first), UTEID, and UNIQUE NUMBERof the course. Sign and date it. The answer sheets must be placed in the 317K boxlocated outside PAI 2.48. Late homework will not be graded. Answer the following 52 questions: 1. Your car gets 30.2 mi/gal on a trip. How many kilometers/liter did it get? A) 7.97 km/L B) 12.8 km/L C) 18.0 km/L D) 28.2 km/L E) 48.6 km/L 2. A nanosecond is: A) 109s B) 10–9s C) 10–10s D) 10–11s E) 10–12s 3. The SI base unit for mass is the: 4. (5.0 ×104) ×(3.0 ×106) = Page 1
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5. The number of significant figures in 0.000330 is: 6. The number of significant figures in 650.0 is: A) 1 B) 2 C) 3 D) 4 E) 5 7. 7.513 + 27.3 = 8. One mile is equivalent to 1609 m, so 65 mph (miles per hour) is: 9. A sphere with a radius of 2.4 cm has a surface area of: Page 2