Discussion-12 - Impulse ImpulseandMomentum Discussion#12...

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pulse and Momentum Impulse and Momentum Discussion #12 – Ch. 7.1 – 7.3 Physics 125–Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.
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Example #1 A marksman holds a rifle of mass m Rx = 3.00 kg loosely in his hands, so as to let it recoil freely when fired. He fires a bullet of mass m B = 5.00 g horizontally with a elocity relative to the ground of v x = 300 m/s. What is the (vector) momentum of the velocity relative to the ground of v Bx 300 m/s. What is the (vector) momentum of the system (rifle + bullet) before and after the man fires the bullet? (use symbols.) m (0) (0) 0[kg ] before Bx Rx pm m =+= G s the shot a f t e r B xB x R xR x the shot v m v = + GG G
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Test #1 A marksman holds a rifle of mass m Rx = 3.00 kg loosely in his hands, so as to let it recoil freely when fired. He fires a bullet of mass m B = 5.00 g horizontally with a elocity relative to the ground of v x = 300 m/s. What is the speed of the rifle right
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This note was uploaded on 12/08/2011 for the course PHYSICS 125 taught by Professor Unknown during the Fall '08 term at University of Michigan.

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Discussion-12 - Impulse ImpulseandMomentum Discussion#12...

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