ExamsS97 - PHYSICS 103 First Quiz Name Code Optional 6 Feb...

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PHYSICS 103 Name Code First Quiz Optional 6 Feb 1997 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. physics b. physical education c. philosophy d. psychiatry 2. Bode's law giving the sizes of the orbits of the planets is no longer considered to be a physical law because a. it did not test for the data known at the time it was proposed. b. it was not based on physical principles. c. it was actually proposed by the Titus of Wittenburg. d. it did not make any predictions that could be tested. 3. 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 4. A Buick travels from Bozeman to Helena between 1:00 and 3:00 pm. A Ford makes the same trip during the same time. Which car was traveling faster at 2:00 pm? a. Buick b. Ford c. They were traveling at the same speed. d. There is not enough information to be able to say. 5. Car A travels from Helena to Bozeman in 130 minutes. Car B travels from Helena to Bozeman in 120 minutes. Which car has the greater average speed? a. Car A b. Car B c. Their average speeds are the same. d. There is not enough information to be able to say. 6. If a marathoner can run with an average speed of 12 kilometers per hour, how far could she run in 3 hours? a. 36 km b. 15 km c. 12 km d. 4 km 7. Which of the following could be a velocity? a. 5 meters north b. 5 meters per second north c. 5 meters per second d. 5 meters per second per second north
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First Quiz PHYSICS 103 6 Feb 1997 8. Which of the following strobe diagrams does NOT correspond to a situation where the ball is accelerating? a. o o o o o b. o o o o o o o o o c. o o o o o o o d. o o o o o o o 9. A ping-pong ball and a golf ball have approximately the same size but very different masses. Which hits the ground first if you drop them simultaneously while standing on the moon? a. the ping-pong ball b. the golf ball c. They hit simultaneously. d. We are not able to predict the results. 10. We claimed that if the air resistance could be neglected, all objects on Earth would fall at a. the same constant speed. b. the same constant acceleration. c. an increasing acceleration. d. a decreasing acceleration. 11. Suppose that you look out a tenth-floor window and see a ball falling at 15 m/s.
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ExamsS97 - PHYSICS 103 First Quiz Name Code Optional 6 Feb...

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