Physics

Physics, 22.09.2019 16:00, leannehounschell

Why do a slow-moving loaded truck and a speeding rifle bullet have a large momentum?

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Physics, 30.06.2019 15:30, tabisulaprinces2084

Arubber bullet of mass m is fired from a rifle into a stationary block of 25 m. the bullet remains in the block and both the bullet and the block move off with a common velocity. assume this is an inelastic collision in a closed system. which best describes the final momentum of the bullet/block? the final momentum of the bullet/block is zero. the final momentum of the bullet/block is equal to the initial momentum of the bullet. the final momentum of the bullet/block is less than the initial momentum of the bullet. the final momentum of the bullet/block is more than the initial momentum of the bullet.

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Physics, 05.08.2019 22:10, Jimm6500

Arifle is a long-barreled firearm which imparts a high velocity to a small ballistic, called a bullet, by exploding a charge behind the bullet. a rifle is typically 6 kg, and the bullet is 12 grams. the velocity of the bullet upon leaving the barrel is 300 m/s. take the system to mean the combination of rifle and bullet. what is the momentum of the system, bullet and rifle just after the bullet leaves the barrel?

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Physics, 01.11.2019 01:31, pr47723

Atruck is speeding up as it travels on an interstate. the truck's momentum (in kg · m/s) is proportional to the truck's speed (in m/s). a) at some moment the truck's momentum is 48300 kg · m/s and the truck's speed is 23 m/s. at this moment, the truck's momentum (in kg · m/s) is how many times as large as the truck's speed (in m/s) b) this means that as the truck travels, the truck's momentum (in kg · m/s) is always times as large as the truck's speed (in m/s). c) if the truck is traveling at 17 m/s, what is the momentum (in kg m/s)

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