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Physics, 02.07.2019 04:10, kamillecronk
The expanding gases that leave the muzzle of a rifle also contribute to the recoil. a .30 caliber bullet has mass 7.20×10−3 kg and a speed of 601 m/s relative to the muzzle when fired from a rifle that has mass 3.00 kg. the loosely held rifle recoils at a speed of 1.95 m/s relative to the earth.
find the momentum of the propellant gases in a coordinate system attached to the earth as they leave the muzzle of the rifle.
p =
{\rm kg \cdot m/s}
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Answers: 2
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The expanding gases that leave the muzzle of a rifle also contribute to the recoil. a .30 caliber bu...
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