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2. A student walks 3 blocks south, 4 blocks west, and 3 blocks north. What is the resultant displacement of the student? (1) 10. blocks east (2) 10. blocks west (3) 4 blocks east (4) 4 blocks west

2. A student walks 3 blocks south, 4 blocks west, and 3 blocks north. What is the resultant displacement of the student? (1) 10. blocks east (2) 10. blocks west (3) 4 blocks east (4) 4 blocks west

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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required for the particle to aceoters per second. uniformly at 4.00 meters per s per hour) on a -tes distance, initial s per hour) on a uniformly at 4.00 straight. for distance, d. BeviexYesttons 8. Which statement best describes the movement of an object with zero acceleration? (1) The object must be at rest. (2) The object must be slowing down. (3) The object may be speeding up. (4) The object may be in motion. 9. A particle has a constant acceleration of 2.0 meters per second'. Calculate the time required for the particle to accelerate from 8.0 meters per second to 28 meters per second. 1. If a boy runs 125 meters north, and then 75 meters south, his total displacement is (3) 200. m north (4) 200. m south yalues and solve. (1) 50. m north (2) 50. m south 2. A student walks 3 blocks south, 4 blocks west, and 3 blocks north. What is the resultant displacement of the student? (1) 10. blocks east (2) 10. blocks west (3) 4 blocks east (4) 4 blocks west tes distance, initial ime. 3. A girl attempts to swim directly across a stream 15 meters wide. When she reaches the other side, she is 15 meters downstream. Calculate the magnitude of her displacement. 10. If an object is traveling east with a decreasing speed, the direction of the object's acceleration is (4) west (2) south (3) east (1) north 4. What is the average speed of an object that travels 6.00 meters north in 2.00 seconds and then travels 3.00 meters east in 1.00 second? Base your answers to questions 11 and 12 on the following graph, which represents the relationship between velocity and time of travel for four cars, A, B, C, and D, in straight-line motion. and solve for d om/s)(3.75 s)? (1) 9.00 m/s (2) 0.333 m/s (3) 3.00 m/s (4) 4.24 m/s Velocity vs. Time to 30.0 meters 2, the stopping 5. In a 4.0-kilometer race, a runner completes the first kilometer in 5.9 minutes, the second kilometer in 6.2 minutes, the third kilometer in 6.3 minutes, and the final kilometer in 6.0 minutes. The average speed of the runner for the race is approximately A B Pf can be ng uniformly. D (1) 0.16 km/min (2) 0.33 km/min (3) 12 km/min (4) 24 km/min 15 20. 5 10. 6. The graph below shows the relationship between the position of an object moving in a straight line and elapsed time. Time (s) 11. Which car has the greatest acceleration during the time interval 10. seconds to 15 seconds? 12. Which car travels the greatest distance during the time interval 0 second to 10. seconds? Distance vs. Time nd a 30. the force ty of near E 20. (1) A only (2) B only (3) Conly (4) The distance traveled is the same for cars A, B, and C. 10. al 3.0 4.0 5.0 6.0 2.0 Time (s) 1.0 What is the speed of the object during the time interval t = 2.0 seconds to t = 4.0 seconds? 13. Starting from rest, an object rolls freely down a 10.-meter long incline in 2.0 seconds. The acceleration of the object is (1) 0.0 m/s (2) 5.0 m/s (3) 7.5 m/s (4) 10. m/s (1) 5.0 m/s (2) 5.0 m/s? (3) 10. m/s (4) 10. m/s? 7. A particle is accelerated uniformly from rest to a speed of 50. meters per second in 5.0 seconds. The average speed of the particle during this 5.0-second time interval is 14. A car accelerates uniformly from rest at 3.2 meters per second?. Calculate the speed of the car when it has traveled a distance of (1) 5.0 m/s (2) 10. m/s (3) 25 m/s (4) 50. m/s 40. meters. Topic 2: Mechanics 31 Distance (m)
Transcribed Image Text:required for the particle to aceoters per second. uniformly at 4.00 meters per s per hour) on a -tes distance, initial s per hour) on a uniformly at 4.00 straight. for distance, d. BeviexYesttons 8. Which statement best describes the movement of an object with zero acceleration? (1) The object must be at rest. (2) The object must be slowing down. (3) The object may be speeding up. (4) The object may be in motion. 9. A particle has a constant acceleration of 2.0 meters per second'. Calculate the time required for the particle to accelerate from 8.0 meters per second to 28 meters per second. 1. If a boy runs 125 meters north, and then 75 meters south, his total displacement is (3) 200. m north (4) 200. m south yalues and solve. (1) 50. m north (2) 50. m south 2. A student walks 3 blocks south, 4 blocks west, and 3 blocks north. What is the resultant displacement of the student? (1) 10. blocks east (2) 10. blocks west (3) 4 blocks east (4) 4 blocks west tes distance, initial ime. 3. A girl attempts to swim directly across a stream 15 meters wide. When she reaches the other side, she is 15 meters downstream. Calculate the magnitude of her displacement. 10. If an object is traveling east with a decreasing speed, the direction of the object's acceleration is (4) west (2) south (3) east (1) north 4. What is the average speed of an object that travels 6.00 meters north in 2.00 seconds and then travels 3.00 meters east in 1.00 second? Base your answers to questions 11 and 12 on the following graph, which represents the relationship between velocity and time of travel for four cars, A, B, C, and D, in straight-line motion. and solve for d om/s)(3.75 s)? (1) 9.00 m/s (2) 0.333 m/s (3) 3.00 m/s (4) 4.24 m/s Velocity vs. Time to 30.0 meters 2, the stopping 5. In a 4.0-kilometer race, a runner completes the first kilometer in 5.9 minutes, the second kilometer in 6.2 minutes, the third kilometer in 6.3 minutes, and the final kilometer in 6.0 minutes. The average speed of the runner for the race is approximately A B Pf can be ng uniformly. D (1) 0.16 km/min (2) 0.33 km/min (3) 12 km/min (4) 24 km/min 15 20. 5 10. 6. The graph below shows the relationship between the position of an object moving in a straight line and elapsed time. Time (s) 11. Which car has the greatest acceleration during the time interval 10. seconds to 15 seconds? 12. Which car travels the greatest distance during the time interval 0 second to 10. seconds? Distance vs. Time nd a 30. the force ty of near E 20. (1) A only (2) B only (3) Conly (4) The distance traveled is the same for cars A, B, and C. 10. al 3.0 4.0 5.0 6.0 2.0 Time (s) 1.0 What is the speed of the object during the time interval t = 2.0 seconds to t = 4.0 seconds? 13. Starting from rest, an object rolls freely down a 10.-meter long incline in 2.0 seconds. The acceleration of the object is (1) 0.0 m/s (2) 5.0 m/s (3) 7.5 m/s (4) 10. m/s (1) 5.0 m/s (2) 5.0 m/s? (3) 10. m/s (4) 10. m/s? 7. A particle is accelerated uniformly from rest to a speed of 50. meters per second in 5.0 seconds. The average speed of the particle during this 5.0-second time interval is 14. A car accelerates uniformly from rest at 3.2 meters per second?. Calculate the speed of the car when it has traveled a distance of (1) 5.0 m/s (2) 10. m/s (3) 25 m/s (4) 50. m/s 40. meters. Topic 2: Mechanics 31 Distance (m)
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