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So the question I'm asking about is actually from my analytical mechanics class, but I think my question is really more of a gen. physics question.

Basically, in this question we have a cannon ball, diameter(EDIT:but not mass!), fired with a given muzzle velocity, and we are given the cannon mass which is free to recoil. Does the fact that the cannon is free to recoil make it so that I can not use the given muzzle velocity for my initial velocity? EDIT:I would say I should use cons. of momentum (which i did at first)

, but the mass of the cannonball is not given.

Thanks guys,

Matt

Basically, in this question we have a cannon ball, diameter(EDIT:but not mass!), fired with a given muzzle velocity, and we are given the cannon mass which is free to recoil. Does the fact that the cannon is free to recoil make it so that I can not use the given muzzle velocity for my initial velocity? EDIT:I would say I should use cons. of momentum (which i did at first)

, but the mass of the cannonball is not given.

Thanks guys,

Matt

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