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A bullet of mass 0.012 kg and initial speed 400 ms penetrates an initially stationary pop can of mass 0.047 kg and emerges with a speed 290 ms how fast is the can moving after the bullet emerges?
Rhandel88
This is a momentum problem.
Pbullet inital + Pcan initial = Pbullet final + Pcan final
(Mbullet)(Vbullet initial) + (Mcan)(Vcan initial) = (Mbullet)(Vbullet final) + (Mcan)(Vcan final)
Then we solve for Velocity can final by inserting known values
(0.012kg)(400m/s) + (0.047kg)(0m/s) = (0.012kg)(290m/s) + (0.047kg)(velocity)
V= 28.1m/s
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