# Answer on Mechanics | Relativity Question for Bryan

Question #18417

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

Expert's answer

acceleration is a=f/m

f=400N m=2 kg

a=200 m/s^2

recoil acceleration due to II Newtons law is

m1a1=F

a1=F/m1

a1=400/200= 2 m/s^2

f=400N m=2 kg

a=200 m/s^2

recoil acceleration due to II Newtons law is

m1a1=F

a1=F/m1

a1=400/200= 2 m/s^2

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