Asked by Lauren

A bullet weighing 235 grains is moving at a speed of 2.52 X 10^3 ft/s. Calculate the kinetcic energy of the bullet in joules ahd in calories. One grain equals 0.0648 g.

Can someone help me out on this please

Answers

Answered by DrBob222
K. E.= 1/2 mv<sup>2</sup> .
Convert m to kg
Convert ft/sec to meters/second.
Then KE you obtain is in Joules. There are 4.184 J in 1 calorie.
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