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How is foot pounds of energy measured for bullet impact?

In: Firearms, Units of Measure, Energy [Edit categories]

Answer:

It can be projected by using the formula E= MV² divided by 450400.

E is the energy in foot lbs
M is mass of bullet in grains
V² is velocity in feet per second, squared.

It can also be directly measured by taking a known weight, shooting it, and measuring the movement of the weight. This is known as a ballistic pendulum, and is not often used today.

First answer by C3shooter. Last edit by C3shooter. Contributor trust: 352 [recommend contributor ]. Question popularity: 1 [recommend question].

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