A car is stopped at a traffic light. It then travels along a straight road so that it's distance from the light is given by x(t) = bt^2-ct^3, where b = 2.40 m/s^2 and c = 0.120 m/s^3. Calculate the average velocity of the car for time interval t= 0 to t = 10.0 s. b) Calculate the instantaneous velocity of the car at t = 0, t = 5.0 s and t = 10.0 s. c) How long after starting from rest is the car again at rest?

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Chapter1: Units, Trigonometry. And Vectors
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A car is stopped at a traffic light. It then travels along a straight road so that it's distance from the light is given by x(t) = bt^2-ct^3, where b = 2.40 m/s^2 and c = 0.120 m/s^3. Calculate the average velocity of the car for time interval t= 0 to t = 10.0 s. b) Calculate the instantaneous velocity of the car at t = 0, t = 5.0 s and t = 10.0 s. 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?
Transcribed Image Text: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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