# Physical science

I have done this problem over and over again, but I still keep getting it wrong. What do I need to do?

A 1.04x10^3 kg car accelerates uniformly from rest to 12.0 m/s in 2.16 seconds.
What is the work done on the car in this time interval? Answer in units of Joules.

What is the power delivered by the engine in this time interval? Answer in units of Watts.

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1. The difference between the initial and final kinetic energies is the amount of work, and time then gives you the power.

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bobpursley

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