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16. A driver starts his parked car and within 5 sec reaches a velocity of 54 m/s as he travels east What is his acceleration? 17. Falling objects drop with an average acceleration of 9.8 m/sec/sec, or 9.8m/sec2. If an object falls from a tall building; how long will it take before it reaches a speed of 49 m/sec?

16. A driver starts his parked car and within 5 sec reaches a velocity of 54 m/s as he travels east What is his acceleration? 17. Falling objects drop with an average acceleration of 9.8 m/sec/sec, or 9.8m/sec2. If an object falls from a tall building; how long will it take before it reaches a speed of 49 m/sec?

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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8um/S 16. A driver starts his parked car and within 5 sec reaches a velocity of 54 m/s as he travels east What is his acceleration? 17. Falling objects drop with an average acceleration of 9.8 m/sec/sec, or 9.8m/sec2. If an object falls from a tall building; how long will it take before it reaches a speed of 49 m/sec? 18. A car traveling at 27 m/s loses control and crashes into a brick wall, coming to a stop in 0..9 seconds. What was the deceleration of the car? 19. A car slows down from 50 m/s to 0 m/s for a stoplight. It does this in 5 seconds. What is the deceleration of the car? 20. A sprinter leaves the blocks and attains a speed of 10 m/s in 2 seconds. What is the acceleration of this sprinter? Tempe Union Fresh Desk | Schoology Blog | PRIVACY POLICY 近
Transcribed Image Text:8um/S 16. A driver starts his parked car and within 5 sec reaches a velocity of 54 m/s as he travels east What is his acceleration? 17. Falling objects drop with an average acceleration of 9.8 m/sec/sec, or 9.8m/sec2. If an object falls from a tall building; how long will it take before it reaches a speed of 49 m/sec? 18. A car traveling at 27 m/s loses control and crashes into a brick wall, coming to a stop in 0..9 seconds. What was the deceleration of the car? 19. A car slows down from 50 m/s to 0 m/s for a stoplight. It does this in 5 seconds. What is the deceleration of the car? 20. A sprinter leaves the blocks and attains a speed of 10 m/s in 2 seconds. What is the acceleration of this sprinter? Tempe Union Fresh Desk | Schoology Blog | PRIVACY POLICY 近
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