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# practictestchapters1-4 - TEST 1 REVIEW PHYSICS 1401 Brooks...

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TEST 1 REVIEW PHYSICS 1401 - Brooks 1) Which of the following is a kilometer? A) 10 6 m B) 10 - 9 m C) 1000 m D) 10 9 m E) 10 - 6 m Page Ref: Sec. 1.3 2) Which one of the following volumes is largest? A) liter B) cubic inch C) cc D) 500. cm 3 E) quart Page Ref: Sec. 1.5 3) What are the dimensions of a square acre of ground if 1 square mile = 640 acres? A) 209' × 209' B) 147' × 147' C) 156' × 156' D) 194' × 194' E) 174' × 174' Page Ref: Sec. 1.5 4) Six pounds on Earth has what weight on the moon? A) 6. lb B) 1/6 lb C) 36. lb D) 1. lb E) 1. kg Page Ref: Sec. 1.2 5) If you are measuring the thickness of a strand of human hair, the most appropriate SI unit is the A) kilometer. B) meter. C) micrometer. D) millimeter. E) centimeter. Page Ref: Sec. 1.3 6) Which of the following speeds is greatest? A) 10 ft/s B) 10 mi/h C) 10 m/s D) 10 yards/s E) 10 km/h Page Ref: Sec. 1.5 7) What is the conversion factor between km/h and m/s? A) 0.278 m/s B) 0.0278 m/s C) 3.60 m/s D) 36.0 m/s E) 16.7 m/s Page Ref: Sec. 1.5 8) The last page of a book is numbered 764. The book is 3.0 cm thick. What is the average thickness of a sheet of paper in the book, in centimeters? A) 127.3 B) 0.0039 C) 254.7 D) 0.0078 E) 0.072 Page Ref: Sec. 1.7 9) Consider a human heart rate of 80 beats per minute. If someone's heart beats at that rate over a 70 - yr lifetime, how many times would it beat? A) 7.44 × 10 5 B) 3.26 × 10 10 C) 2.95 × 10 9 D) 2.20 × 10 9 E) 1.78 × 10 7 Page Ref: Sec. 1.7 10) How many significant figures are in 0.0037010? A) four B) five C) six D) seven E) eight Page Ref: Sec. 1.6 1

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11) If you are measuring the mass of an elephant, the most appropriate SI unit is the A) gram. B) microgram. C) milligram. D) kilogram. E) megagram. Page Ref: Sec. 1.3 12) A jet fighter plane is launched from a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2 s. Assuming the acceleration is constant, what is the length of the catapult? A) 42 m B) 24 m C) 84 m D) 66 m E) 16 m Page Ref: Sec. 2.4 13) Under what condition is average velocity equal to the average of the object's initial and final velocity? A) This can occur only when they are zero. B) This can only occur if there is no acceleration. C) The acceleration must be constantly increasing. D) The acceleration must be constantly decreasing. E) The acceleration must be constant. Page Ref: Sec. 2.1 - 2.3 14) An object is thrown upwards with a speed of 14 .0 m/s. How long does it take it to reach its maximum height? A) 4.15 s B) 2.86 s C) 3.14 s D) 1.43 s E) 1.22 s Page Ref: Sec. 2.5 15) When an object is released from rest and falls in the absence of friction, which of the following is true concerning its motion? A) Its velocity is constant.
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practictestchapters1-4 - TEST 1 REVIEW PHYSICS 1401 Brooks...

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