ExamsF97 - PHYSICS 103 First Quiz Name Code Optional 18 Sep...

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PHYSICS 103 Name Code First Quiz Optional 18 Sep 1997 Please put the letter corresponding to the best answer in the blanks at the left. Each question counts two points. 1. Let's start off with an easy one. The subject matter in this course is a) psychology b) physics c) philosophy d) psychiatry 2. In physics a world view is the a) visual stimuli physicists use to experience the microscopic world. b) set of ideas representing the current view of how the material world operates. c) idea that the Sun is at the center of the Solar System. d) unchanging rules used to predict the behavior of physical systems. 3. Bode's law giving the radii of the orbits of the planets around the Sun is no longer considered to be a physical law because it 4. Which of the following lists of major countries shows those that have not accepted the metric system of units? 5. An operational definition is a 6. 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. mile 1 m 1600 s 3600 h 1 h miles 25 1 b. m 1600 mile 1 s 3600 h 1 h miles 25 2 c. m 1600 mile 1 h 1 s 3600 h miles 25 3 d. mile 1 m 1600 h 1 s 3600 h miles 25 4
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First Quiz PHYSICS 103 18 Sep 1997 7. A meter is about the same length as 8. An ancient marathoner covered the first 20 miles in a time of 4 hours. How fast was he running when he passed the 10 mile marker? 9. A Ford travels from milepost 93 to milepost 99 in 5 minutes. A Chevrolet travels from milepost 493 to milepost 499 in 5 minutes. Which car has the greater average speed? a) Ford b) Chevrolet c) Their average speeds are the same. 10. Two cars travel between the same taverns by the same route. The sports car requires 2 hours and 23 minutes to make the trip, while the station wagon takes 2 hours 13 minutes. Which car had the higher average speed? a) station wagon b) sports car e) The average speeds are the same.
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