ExamsF01 - PHYSICS103 First Quiz 25 September 2001 1. Lets...

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PHYSICS 103 First Quiz 25 September 2001 1. Let’s begin with a question that everyone should get correct. The subject matter of this course is a. physics b. fysix c. psychics d. phonics 2. Bode's law giving the sizes of the orbits of the planets is no longer considered to be a physical law because it a. did not agree with the data known at the time it was proposed. b. did not make any predictions that could be tested. c. is not included in the general theory of relativity. d. was not based on physical principles. 3. The height of the ceiling in this classroom is about a. 30 centimeters b. 1 meter c. 2 meters d. 3 meters 4. When your instructor was in Turkey last spring, he bought 1 kilogram of bananas for 1.2 million Turkish lira. Given that 1 kilogram weighs 2.2 pounds and that 10 million lira = $8.50, what was the price of bananas in US dollars per pound? a. 1.2 million lira $8.50 1 kg 1 kg 10 million lira 2.2 lb       b. 1.2 million lira $8.50 2.2 lb 1 kg 10 million lira 1 kg c. 1.2 million lira 10 million lira 2.2 lb 1 kg $8.50 1 kg d. 1.2 million lira 10 million lira 1 kg 1 kg $8.50 2.2 lb       5. Which of the following could be a displacement? a. 5 meters b. 5 meters north c. 5 meters per second d. 5 meters per second south 6. If a young marathoner can run with an average speed of 9 mph, how far could she run in 3 hours? a. 27 miles b. 18 miles c. 9 miles d. 3 miles 7. An ancient marathoner covered the first 20 miles in a time of 4 hours. What was his average speed during these four hours? a. 8 mph b. 5 mph c. 1/5 mph d. We don’t know.
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8. A Chevrolet traveled from milepost 123 to milepost 183 between 2:00 and 3:00 pm. A Toyota traveled from milepost 223 to milepost 283 during the same time. Which car had the higher average speed? a. Toyota b. Chevrolet c. They were traveling at the same speed. d. There is not enough information to be able to say. 9. Which of the following strobe diagrams corresponds to the situation where a ball rolls from left to right and continually slows down? a. o o o o o o o b. o o o o o c. o o o o o o o o o d. o o o o o o o 10. An object is accelerating a. only when its speed changes. b. only when its direction changes. c. when its speed or direction changes. d. if its velocity is not zero. 11. If a sports car on a straight road changes speed from 30 mph to 80 mph in two minutes, its average acceleration is _____ miles per hour per minute. a. 15 b. 25 c. 40 d. 50 12. The Moon is a nice place to study free fall because it has no atmosphere. If an astronaut on the Moon simultaneously drops a hammer and a feather from the same height, which one hits the ground first? a. the hammer
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ExamsF01 - PHYSICS103 First Quiz 25 September 2001 1. Lets...

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