ExamsF00 - PHYSICS103 First Quiz 26 September 2000 1. I am...

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PHYSICS 103 First Quiz 26 September 2000 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. philosophy b. psychiatry c. physics d. philately 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. Which of the following lists of major countries shows those that have not accepted the metric system of units? a. only the United States b. United States, Saudi Arabia, Iran, Iraq c. United States, Soviet Union, Ukraine, Belarus d. United States, Denmark, Finland, Norway, Sweden 4. If a league is equal to 3 miles, how many miles are there in "20,000 Leagues Under the Sea"? a. 6,667 b. 19,997 c. 20,003 d. 60,000 5. Which of the following expressions gives the number of seconds in one week? a. 7 days 24 h 3600 s 1 week 1 day 1 h ÷ ÷ ÷ b. 7 days 1 day 1 h 1 week 24 h 3600 s   ÷ ÷ ÷   c. 1 week 24 h 3600 s 7 days 1 day 1 h  ÷ ÷ ÷  d. 1 week 1 day 1 h 7 days 24 h 3600 s  ÷ ÷ ÷  6. A Buick travels from milepost 303 to milepost 353 between 1:00 and 2:00 pm. A Ford travels from milepost 100 to milepost 140 during the same time. Which car was traveling faster at 1:30 pm? a. Buick b. Ford c. They were traveling at the same speed. d. There is not enough information to be able to say. 7. A yellow car takes ten minutes to go from milepost 101 to milepost 109. A red car takes ten minutes to go from milepost 11 to milepost 21. Which car has the higher average speed? a. the yellow one b. the red one c. The average speeds are the same. 8. If a marathoner can average 1 mile every 6 minutes, how far could she run in 2 hours? a. 6 miles b. 10 miles c. 12 miles d. 20 miles 9. The average acceleration of an object is defined to be the a. distance it travels divided by the time it takes. b. change in its velocity divided by the time this change takes. c. change in its speed divided by the time this change takes. d. average of the accelerations during the two halves of the trip.
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10. If a car requires 10 seconds to accelerate from zero to 60 mph, its average acceleration is a. 600 mph/s b. 60 mph/s c. 10 mph/s d. 6 mph/s 11. A car is accelerating at 5 m/s 2 . At some time it is traveling at 40 m/s. How fast will it be going two seconds later? a. 35 m/s b. 40 m/s c. 45 m/s d. 50 m/s 12. Which of the following strobe diagrams does NOT correspond to a situation where the ball is accelerating? a. o
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ExamsF00 - PHYSICS103 First Quiz 26 September 2000 1. I am...

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