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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 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?     ÷           ÷           ÷           ÷       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.

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