... drop it's prey. Likewise the military and police need to know the effect of the projectile on the enemy or the armed criminal. Terminal ballistics is usually broke up into two different measurements: kinetic energy and the Taylor Index. The basic physical laws of the conservation of energy show that the bullet weight and velocity determine how much damage is done to ... the target. Both momentum and energy are observable. A bullet leaving the muzzle of a rifle has kinetic energy, thermal energy, and potential energy. Kinetic because it is moving and spinning, thermal energy when it is h...

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