Quiz #2 (S05) b

# Quiz #2 (S05) b - PHYSICS103 Name Row Second Quiz 10 March...

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PHYSICS 103 Name                                        Row           Second Quiz 10 March 2005 1. The discussion in the text of the "launched apple" and the Moon shows that the a. velocities of the apple and Moon are constant. b. apple and the Moon have the same acceleration. c. motion of the Moon and apple can be explained by the same laws. d. apple and the Moon experience the same-sized force. 2. The gravitational force between two metal spheres in outer space is 9000 N. How large would this force be if each of the two spheres had three times the mass? a. 1000 N b. 27,000 N c. 54,000 N d. 81,000 N 3. The gravitational force between two metal spheres in outer space is 1800 N. How large would the force be if the two spheres were three times as far apart? a. 200 N b. 600 N c. 5400 N d. 16,200 N 4. The numerical value of G, the gravitational constant, was determined a. from knowledge of the Earth's mass. b. by measuring the force between masses in the laboratory. c. from the law of universal gravitation and the value of the acceleration due to gravity. d. from the value of the Moon's acceleration.

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Quiz #2 (S05) b - PHYSICS103 Name Row Second Quiz 10 March...

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