Physics
posted by Mark .
A 500 kg cannon rests on wheels that are free to roll. The cannon fires a 2 kg cannon ball horizontally with an average force of 400 N. What is the acceleration of the cannon ball? What is the recoil acceleration of the cannon

400 = 2*a(cb)
where a(cb) is acceleration of the cannon ball
400 = 500*a(c)
where a(c) is acceleration of the cannon
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