A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by ?(?) = ??^2 − ??^3, where ? = 2.40 ?/?^2and ? = 0.120 ?/?^3. a) Calculate the average velocity of the car for time interval ? = 0 to ? = 10.0?. b) Calculate the instantaneous velocity of the car at ? = 0, ? = 5.0?, and ? = 10.0?. c) How long after starting from rest is the car again at rest? 2. A car is stopped at a traffic light. It then travels along a straight road so that its distance from thelight is given by x(t) = bt² – ct³, where b = 2.40 and c = 0.120 a) Calculate the averagevelocity of the car for time interval t = 0 to t = 10.0s. b) Calculate the instantaneous velocity ofthe car at t = 0,t = 5.0s, and t = 10.0s. c) How long after starting from rest is the car again atrest?

Name: A car is stopped at a traffic light. It then travels along a straight
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Description: A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by ?(?) = ??^2 − ??^3, where ? = 2.40 ?/?^2and ? = 0.120 ?/?^3. a) Calculate the average velocity of the car for time interval ? =

Given: The distance, x(t)=bt2-ct3 b=2.40m/s2 c=0.120m/s2

Answered: a) Calculate the average velocity of…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2P

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A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by ?(?) = ??^2 − ??^3, where ? = 2.40 ?/?^2 and ? = 0.120 ?/?^3. a) Calculate the average velocity of the car for time interval ? = 0 to ? = 10.0?. b) Calculate the instantaneous velocity of the car at ? = 0, ? = 5.0?, and ? = 10.0?. c) How long after starting from rest is the car again at rest?

2. A car is stopped at a traffic light. It then travels along a straight road so that its distance from the
light is given by x(t) = bt² – ct³, where b = 2.40 and c = 0.120 a) Calculate the average
velocity of the car for time interval t = 0 to t = 10.0s. b) Calculate the instantaneous velocity of
the car at t = 0,t = 5.0s, and t = 10.0s. c) How long after starting from rest is the car again at
rest?

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