Starting from rest a car accelerates for first few seconds


Starting from rest, a car accelerates for first few seconds of its motion according to: a = 1.16t - 0.21 t2 + 0.24t3 Where t is in seconds and acceleration is in m/sec2.

a. What is the change in kinetic energy of the car during the first 2.5 seconds?

b. What is the minimum power output of the engine during this period?

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Physics: Starting from rest a car accelerates for first few seconds
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