Exam #1 (S04) old

Exam #1 (S04) old - PHYSICS103 First Exam Name 24 February...

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PHYSICS 103                     Name                                                                  First Exam 24 February 2004 Please put the letter corresponding to the best answer in the blanks at the left. Each question counts two points. 1. Bode's law giving the sizes of the orbits of the planets is no longer considered to be a physical law because it a. was not based on physical principles. b. did not agree with the data known at the time it was proposed. c. did not make any predictions that could be tested. d. was actually proposed by the Titus of Wittenburg. 2. An operational definition is a a. logical argument for obtaining a law of physics. b. method of excising the truth from nature. c. medical procedure performed on a physics teacher. d. rule for attaching a number to a concept. 3. Given that a mile is equal to 1600 m, which calculation shows the correct conversion of a speed of 25 mph to the same speed in m/s? a. miles 1 h 1600 m 25 h 3600 s 1 mile     ÷       b. miles 1 h 1 mile 25 h 3600 s 1600 m     ÷       c. miles 3600 s 1 mile 25 h 1 h 1600 m     ÷       d. miles 3600 s 1600 m 25 h 1 h 1 mile     ÷       4. The average speed of an object is defined to be the a. distance it travels divided by the time it takes. b. distance it travels multiplied by the time it takes. c. change in its velocity divided by the time this change takes. d. change in its velocity multiplied by the time this change takes. 5. A Camry takes one hundred minutes to go from milepost 205 to milepost 305. A Taurus takes one hundred minutes to go from milepost 305 to milepost 410. Which car has the higher average speed? a. Camry b. Taurus c. The average speeds are the same. d. There is not enough information to be able to say. 6. Approximately how fast can a person run? a. 1 km/h b. 100 m/min c. 10 m/s d. 1 m/s 7. We claimed that if the air resistance could be neglected, all objects on the moon would fall at a. the same constant speed. b. an increasing acceleration.
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c. the same constant acceleration. d. a decreasing acceleration.
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This document was uploaded on 10/29/2011 for the course PHSX 103 at MSU Bozeman.

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Exam #1 (S04) old - PHYSICS103 First Exam Name 24 February...

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