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4- (5 Pts) The force of gravity on the moon is 1/6 as large as on the earth. How does free-fall acceleration on the moon
4- (5 Pts) The force of gravity on the moon is 1/6 as large as on the earth. How does free-fall acceleration on the moon compare with free-fall acceleration on the earth? Free-fall acceleration will be....... a. The same on the earth and moon. b. 6 times larger on the moon. c. 1/3 as large on the moon. d. 1/6 as large on the moon. 5- (5 Pts) The equation y = 3b* represents.. a. straight line on semi-log graph paper b. quadratic curve on rectilinear paper C. straight line on log-log graph paper d. an oscillating curve on log-log graph paper(5 Pts) If y were plotted against x on a log-log paper and formed a straight line where m = 7 and b = 2. The equation could be written: . y = 7x + 2 b. y = 2 log 7x C. y=7ex d. y=2exx 9- (5 Pts) What is 14.56/2.2? Make sure the reported answers is rounded properly. a. 6.618 b. 6.62 C. 6.6 d. 6 10- (5 Pts) Which of the following statements is true about friction? a. Static friction is less than kinetic friction. b. Friction acts in the opposite direction of the normal force. C. Friction exists only when an object is in motion. d. Friction always opposes the motion or attempted motion. 11- (5 Pts) An astronaut weighs 685 N on earth. What would the astronaut's weight be on Jupiter where g = 25.9 m/s?? a. 1810 N b. 17710 N C. 69.9 N d. 2.70N 12- (5 Pts) Which of the following are true statements? I. Normal curves with different means can be centered around the same numbers. Il. The area under a normal curve is always equal to one, no matter what the mean and standard deviation are Ill. The smaller the standard deviation of a normal curve, the shorter and wider the graph. a. II only b. II and Ill c. I and Il d. I, ll, and Ill
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