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A 1000 kg car starts from rest on a horizontal road and gains speed of 45 km/h in 15 s. a) what is the

A 1000 kg car starts from rest on a horizontal road and gains speed of 45 km/h in 15 s. a) what is the kinetic energy of the car at 15s? [3 marks] b) What is the average power of the car during this 15s interval? [3 marks] c) What is the instantaneous power at the end of the 15s interval, if the acceleration is constant? [4 marks]

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