Kaitlyn C.

asked • 12/18/20

How much kinetic energy does a 50.0 g bullet traveling at 350 m/s have?

I'm not sure how to calculate this??

1 Expert Answer

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William W. answered • 12/18/20

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Kinetic Energy (KE) is1/2 os the mass times the square of the velocity:


But use SI (standard units) so for the mass, use kg so 50 g = 0.05 kg so:


KE = 1/2mv2

KE = 1/2(0.05)(3502) and the answer will be in "Joules". Also round your answer to 2 significant figures.

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Kaitlyn C.

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12/18/20

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