ExamsS98 - PHYSICS 103 First Quiz Name Optional Code 3 Feb...

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PHYSICS 103 Name Code First Quiz Optional 3 Feb 1998 Please put the letter corresponding to the best answer in the blanks at the left. Each question counts two points. 1. I am very happy that the first question is an easy one to get me off to a good start in this course. The subject matter of this course is a) psychiatry. b) physics. c) philosophy d) psychology. 2. Which of the following is not a valid criterion for the acceptance of a physical law or theory? a) agreement with past data. b) based on scientific principles c) ability to predict future results. d) prestige of the scientist proposing it. 3. If there are 8 furlongs in one mile, how many furlongs does a horse run in 4 miles? a) 2 b) 4 c) 8 d) 12 e) 32 4. Given that a mile is equal to 1600 m, which calculation shows the correct conversion of a speed of 36 m/s to the same speed in mph? a. mile 1 m 1600 s 3600 h 1 s m 36 1 b. m 1600 mile 1 s 3600 h 1 s m 36 2 c. mile 1 m 1600 h 1 s 3600 s m 36 3 d. m 1600 mile 1 h 1 s 3600 s m 36 4 5. An operational definition is a a) rule for attaching a number to a concept. b) logical argument for obtaining a law of physics. c) method of excising the truth from nature. d) way of simplifying a calculation. 6. A train covers 60 miles between 4 p.m. and 6 p.m. How fast was it going at 5 p.m.? a) 10 mph b) 15 mph c) 30 mph d) 60 mph e) Not enough information is given to be able to say. More on the next page
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First Quiz PHYSICS 103 3 Feb 1998 7. Two cars travel between the same taverns by the same route. The Audi requires 2 hours and 29 minutes to make the trip, while the Volkswagon takes 2 hours 19 minutes. Which car had the higher average speed? a) Volkswagen b) Audi c) The average speeds are the same. d) There is not enough information to be able to say. 8. If a jogger can run with an average speed of 1 mile every 10 minutes, how far could she run in 2 hours? a) 2 miles b) 6 miles c) 10 miles d) 12 miles 9. If a car changes speed from 40 mph to 60 mph in 4 minutes, its average acceleration is a) 5 mph/minute b) 10 mph/minute c) 50 mph d) 50 mph/minute 10. Which statement best describes the motion of the ball shown in the strobe diagram below? (Assume the ball moves from left to right.) The ball is oo. .o. ...o. ..... o........ o.......... o............ o a) moving with a constant speed. b) slowing down. c) accelerating. d) stopped. 11. On the position vs time graph shown at the right, the object has the highest speed at the position marked by the letter 12. On the position vs time graph shown at the right, the object is stopped at the position marked by the letter 13. A car is accelerating at 5 m/s/s. At some time it is traveling at 40 m/s. How fast will it be going, one second later? a) 30 m/s
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This document was uploaded on 10/29/2011 for the course PHSX 103 at MSU Bozeman.

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ExamsS98 - PHYSICS 103 First Quiz Name Optional Code 3 Feb...

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