(Test Bank) Principles & Practice Of Physics (Global Edition)

Ma, 2

Physics

Test Bank

2nd Edition

• $15.00 $50.00

---

Description

Test Bank for Principles & Practice Of Physics (Global Edition), The downloadable file consists of 497 pages, and the total size of the file is 3.88 MB. Purchase now only for highly discounted price.

Author(s): Ma

---

---

Study Note Preview

1 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. Principles & Practice of Physics, 2e , Global Edition (Mazur) Chapter 1 Foundations 1.1 Conceptual Questions 1) The current definition of the standard meter of length is based on A) the distance between the earth's equator and north pole. B) the distance between the earth and the sun. C) the distance traveled by light in a vacuum. D) the length of a particular object kept in France. Answer: C Var: 1 2) The current definition of the standard second of time is based on A) the fr equency of radiation emitted by cesium atoms. B) the earth's rotation rate. C) the duration of one year. D) the oscillation of a particular pendulum kept in France. Answer: A Var: 1 3) If a woman weighs 125 lb, her mass expressed in kilograms is x kg, where x is A) less than 125. B) greater than 125. Answer: A Var: 1 4) If a tree is 15 m tall, its height expressed in feet is x ft, where x is A) less than 15. B) greater than 15. Answ er: B Var: 1 5) If a flower is 6.5 cm wide, its width expressed in millimeters is x mm, where x is A) less than 6.5. B) greater than 6.5. Answer: B Var: 1 6) If an operatic aria lasts for 5.75 min, its length expressed in seconds is x s, where x is A) less than 5.75. B) greater than 5.75. Answer: B Var: 1 2 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 7) Scientists use the metric system chiefly because it is more accurate than the English system. A) True B) False Answer: B Var: 1 8) When adding two numbers, the number of significant figures in the sum is equal to the number of significant figures in the least accurate of the numbers being added. A) True B) False Answer: B Var: 1 9) When determining the number of significant figures in a number, zeroes to the left of the decimal point are never counted. A) True B) False Answer: B Var: 1 1.2 Problems 1) Convert 1.2 × 10 -3 to decimal notation. A) 1.200 B) 0.1200 C) 0.0120 D) 0.0012 E) 0.00012 Answer: D Var: 5 2) Write out the number 7.35 × 10 -5 in full with a decimal point and correct number of zeros. A) 0.00000735 B) 0.0000735 C) 0.000735 D) 0.00735 E) 0.0735 Answer: B Var: 5 3 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 3) 0.0001776 can also be expressed as A) 1.776 × 10 -3. B) 1.776 × 10 -4. C) 17.72 × 10 4. D) 1772 × . E) 177.2 × 10 7. Answer: B Var: 5 4) 0.00325 × 10 -8 cm can also be expressed in mm as A) 3.25 × 10 -12 mm. B) 3.25 × 10 -11 mm. C) 3.25 × 10 -10 mm. D) 3.25 × 10 -9 mm. E) 3.25 × 10 -8 mm. Answer: C Var: 1 5) If, in a parallel universe, π has the value 3.14149, express π in that universe to four significant figures. A) 3.141 B) 3.142 C) 3.1415 D) 3.1414 Answer: A Var: 1 6) The number 0.003010 has A) 7 significant figures. B) 6 significan t figures. C) 4 significant figures. D) 2 significant figures. Answer: C Var: 1 7) What is to the proper number of significant figures? A) 0.91 B) 0.911 C) 0.9108 D) 0.9 Answer: A Var: 50+ 4 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 8) What is the value of π(8.104) 2, written with the correct number of significant figures? A) 206.324 B) 206.323 C) 206.3 D) 206 E) 200 Answer: C Var: 1 9) What is the sum of 1123 and 10.3 written with the correct number of significant figures? A) 1.13 × 10 3 B) 1133.3000 C) 1.1 × 10 3 D) 1133.3 E) 1133 Answer: E Var: 1 10) What is the sum of 1.53 + 2.786 + 3.3 written with the correct number of significant figures? A) 8 B) 7.6 C) 7.62 D) 7.616 E) 7.6160 Answer: B Var: 3 11) What is the difference between 103.5 and 102.24 written with the correct number of significant figures? A) 1 B) 1.3 C) 1.26 D) 1.260 E) 1.2600 Answer: B Var: 3 12) What is the product of 11.24 and 1.95 written with the correct number of significant figures? A) 22 B) 21.9 C) 21.92 D) 21.918 E) 21.9180 Answer: B Var: 3 5 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 13) What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures? A) 4.1656 × B) 4.166 × C) 4.17 × D) 4.2 × E) 4 × Answer: C Var: 3 14) What is 34 + (3) × (1.2465) written with the correct number of significant figu res? A) 37.7 B) 37.74 C) 4 × 10 1 D) 38 E) 37.7395 Answer: D Var: 5 15) What is 56 + (32.00)/(1.2465 + 3.45) written with the correct number of significant figures? A) 62.8 B) 62.812 C) 62.81 D) 63 E) 62.8123846 Answer: D Var: 1 16) Add and and express your answer in milligrams (mg). A) 7.05 × 107 mg B) 7.05 × 104 mg C) 7.05 × 105 mg D) 7.05 × 106 mg Answer: A Var: 50+ 17) Express (4.3 × 106)-1/2 in scientific notation. A) 4.8 × 10-4 B) 2.1 × 103 C) 2.1 × 10-5 D) 2.1 × 104 Answer: A Var: 40 6 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 18) What is 0.205 2/3, expressed to the proper number of significant figures? A) 0.348 B) 0.35 C) 0.3 D) 0.3477 Answer: A Var: 50+ 19) The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as A) 0.7 m 2. B) 0.68 m 2. C) 0.682 m 2. D) 0.6818 m 2. E) 0.68175 m 2. Answer: C Var: 1 20) The following exact conversion equivalents are given: 1 m = 100 cm, 1 in = 2.54 cm, and If a computer screen has an area of 1.27 , this area is closest to A) 0.00284 . B) 0.0465 . C) 0.118 . D) 0.284 . E) 4.65 . Answer: C Var: 1 21) In addit ion to 1 m = 39.37 in., the following exact conversion equivalents are given: and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour,its velocity, in m/s, is closest to A) 3.8 m/s. B) 3.0 m/s. C) 3.4 m/s. D) 4.1 m/s. E) 4.5 m/s. Answer: A Var: 50+ 7 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 22) A weight lifter can bench press How many milligrams (mg) is this? A) 1.71 × 108 mg B) 1.71 × 109 mg C) 1.71 × 107 mg D) 1.71 × 106 mg Answer: A Var: 50+ 23) How many nanoseconds does it take for a computer to perform one calculation if it performs calculations per second? A) 15 ns B) 67 ns C) 11 ns D) 65 ns Answer: A Var: 50+ 24) The shortest wavelength of visible light is approximately 400 nm. Expres s this wavelength in centimeters. A) 4 × 10-5 cm B) 4 × 10-7 cm C) 4 × 10-9 cm D) 4 × 10-11 cm E) 400 × 10-11 cm Answer: A Var: 1 25) The wavelength of a certain laser is where Express this wavelength in nanometers. A) 3.5 × 102 nm B) 3.5 × 103 nm C) 3.5 × 101 nm D) 3.5 × 104 nm Answer: A Var: 50+ 8 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 26) A certain CD -ROM disk can store approximately 6.0 × 10 2 megabytes of information, where 106 bytes = 1 megabyte. If an averag e word requires 9.0 bytes of storage, how many words can be stored on one disk? A) 6.7 × 107 words B) 5.4 × 109 words C) 2.1 × 107 words D) 2.0 × 109 words Answer: A Var: 9 27) A plot of land contains How many square meters does it contain? A) 2.3 × 104 m2 B) 7.1 × 103 m2 C) 7.0 × 104 m2 D) 5.0 × 104 m2 Answer: A Var: 50+ 28) A person on a diet loses in a week. How many are lost? A) 2.6 × 103 μg/s B) 1.6 × 105 μg/s C) 44 μg/s D) 6.4 × 104 μg/s Answer: A Var: 11 29) Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the albert (A), the distance Albert can throw a small rock. One albert is How many square alberts is equal to one acre? (1 acre = 43,560 ft 2 = 4050 m 2) Answer: 1.29 A 2 Var: 50+ 30) Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft) A) 0.246 ft/min B) 82.3 ft/min C) 165 ft/min D) 246 ft/min E) 886 ft/min Answer: D Var: 1 9 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 31) The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic feet per minute) through the filter. Given that 1.00 in. = 2.54 cm, how many cubic meters per second does this fan pull? A) 0.283 m 3/sec B) 0.328 m 3/sec C) 3.05 m 3/sec D) 32.8 m 3/sec Answer: A Var: 1 32) The mass of a typical adult woman is closes t to A) 20 kg. B) 35 kg. C) 75 kg. D) 150 kg. Answer: C Var: 1 33) The height of the ceiling in a typical home, apartment, or dorm room is closest to A) 100 cm. B) 200 cm. C) 400 cm. D) 500 cm. Answer: B Var: 1 34) Approximately how many times does an average human heart beat in a year? A) 4 × B) 4 × C) 4 × D) 4 × E) 4 × Answer: C Var: 1 35) Approximately how many times does an average human heart beat in a lifetime? A) 3 × B) 3 × C) 3 × D) 3 × E) 3 × Answer: C Var: 1 10 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 36) Approximately how many pennies would you have to stack to reach an average 8 -foot ceiling? A) 2 × B) 2 × C) 2 × D) 2 × E) 2 × Answer: B Var: 1 37) Estimate the number of times the earth will rotate on its axis during a human's lifetime. A) 3 × B) 3 × C) 3 × D) 3 × E) 3 × Answer: A Var: 1 38) Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall. A) 5 × B) 5 × C) 5 × D) 5 × E) 5 × Answer: C Var: 1 39) A marathon is and long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of A) 4.5 × 104 strides B) 4.5 × 103 strides C) 4.5 × 105 strides D) 4.5 × 106 strides Answer: A Var: 1 1 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. Principles & Practice of Physics, 2e , Global Edition (Mazur) Chapter 2 Motion in One Dimension 2.1 Conceptual Questions 1) The motion of a particle is described in the velocity versus time graph shown in the figure. We can say that its speed A) increases. B) decreases. C) increases and then decreases. D) decreases and then increases. Answer: D Var: 1 2) The motions of a car and a truck along a straight road are represented by the velocity -time graphs in the figure. The two v ehicles are initially alongside each other at time t = 0. At time T, what is true about these two vehicles since time t = 0? A) The truck will have traveled further than the car. B) The car will have traveled further than the truck. C) The truck and the car will have traveled the same distance. D) The car will be traveling faster than the truck. Answer: A Var: 1 2 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 3) The graph in the figure shows the position of an object as a function of time. The letters H -L represent particular moments of time. A t which moments shown (H, I, etc.) is the speed of the object (a) the greatest? (b) the smallest? Answer: (a) J (b) I Var: 1 3 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. 4) The figure shows the graph of the position x as a function of time for an object moving in the straight line (the x-axis). Which of the following graphs best describes the velocity along the x- axis as a function of time for this object? A) B) C) D) E) Answer: D Var: 1 5) An object starts its motion with a constant velocity of 2.0 m/s toward the east. After 3.0 s, the 4 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. object stops for 1.0 s. The object then moves toward the west a distance of 2.0 m in 3.0 s. The object continues traveling in the same direction, but incre ases its speed by 1.0 m/s for the next 2.0 s. Which graph below could represent the motion of this object? A) B) C) 5 Copyright © 2023 Pearson Education Ltd. All Rights Reserved. D) Answer: D Var: 1 2.2 Problems 1) A cat runs along a straight line (the x-axis) from point A to point B to point C, as shown in the figure. The distance between points A and C is 5.00 m, the distance between points B and C is 10.0 m, and the positive direction of the x-axis points to the right. The time to run from A to B is 20.0 s, and the time from B to C is 8.00 s. As the cat runs along the x-axis between points A and C (a) what is the magnitude of its average velocity? (b) what is its average speed? Answer: (a) 0.179 m/s (b) 0.893 m/s Var: 1