Question

A car is stopped at a traffic light. It then travels along a straight road so...

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)=bt2ct3, where 2.30 m/s2 and c = 0.120 m/s3.

Part A

Calculate the average velocity of the car for the time interval t=0 to t=10.0 s.

Part B

Calculate the instantaneous velocity of the car at t=0.

Part C

Calculate the instantaneous velocity of the car at t= 5.00 s.
Express your answer in meters per second.

Part D

Calculate the instantaneous velocity of the car at t=10.0 s.
Express your answer in meters per second.

Part E

How long after starting from rest is the car again at rest?
Express your answer in seconds.
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