A car is stopped at a traffic light. It then travels along a straight road such that its distance from the light is given by x(t) = bt – ct² where b = 20.0 m/s and c = 5.0 m/s² a) Calculate the average velocity of the car for the time interval t= 0 to t= 4.00 s. b) Calculate the instantaneous velocity at t= 1.0 s and t= 3.0 s.

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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 such that its distance
from the light is given by x(t) = bt – ct2 where b = 20.0 m/s and c = 5.0 m/s²
a) Calculate the average velocity of the car for the time interval t= 0 to t= 4.00 s.
b) Calculate the instantaneous velocity at t = 1.0 s and t= 3.0 s.
%3D
Transcribed Image Text:A car is stopped at a traffic light. It then travels along a straight road such that its distance from the light is given by x(t) = bt – ct2 where b = 20.0 m/s and c = 5.0 m/s² a) Calculate the average velocity of the car for the time interval t= 0 to t= 4.00 s. b) Calculate the instantaneous velocity at t = 1.0 s and t= 3.0 s. %3D
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