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1. How much work is necessary to accelerate a bullet having a mass of 5.0 g to a velocity of 1000. m/sec?

This was on a chemistry problem set of mine, and it seems like a very physics-oriented question [I have not taken physics.] Could someone point me in the right direction as to which formulas to use/when?

What is the difference in kinetic energies at the two speeds? That energy came from the work to accelerate.

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