hmwk-1-K09

# hmwk-1-K09 - PHY 317K HOMEWORK 1 DUE on September 8 2009 by...

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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 NUMBER of the course. Sign and date it. The answer sheets must be placed in the 317K box located 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) 10 9 s B) 10 –9 s C) 10 –10 s D) 10 –11 s E) 10 –12 s 3. The SI base unit for mass is the: 4. (5.0 × 10 4 ) × (3.0 × 10 6 ) = 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