Asked by Sejul
a 2.5 kg rifle fires a 20 g bullet at 400 m/s. What is the magnitude of the recoil velocity of the rifle?
I still don't understand. Could you please help with a formula? Thank you.
physics - drwls, Monday, February 7, 2011 at 6:38pm
Try using conservation of momentum.
recoil momentum and bullet momentum are equal and opposite, so that the sum is zero.
I still don't understand. Could you please help with a formula? Thank you.
physics - drwls, Monday, February 7, 2011 at 6:38pm
Try using conservation of momentum.
recoil momentum and bullet momentum are equal and opposite, so that the sum is zero.
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