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A man standing on very slick ice fires a rifle horizontally. The mass of the man together with the rifle is 70 kg, and the mass of the bullet is 10g.

Q:If the bullet leaves the muzzle at a speed of 500 m/s, what is the final speed of the man?

I don't know how to set this up, help?

1 answer

Conservation of momentum applies. Momentum of bullet +momentum man=0
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