Physical Science
posted by Tina .
A stationary but moveable 450kg cannon is fired and the 12kg cannonball moves off to the right with a velocity of 20.0 m/s. What is the connon's velocity (both magnitude and direction) due to the kickback from the firing?

Physical Science 
bobpursley
Masscannon*veloctiycannon+massbullet*velocity bullet=0 Momentum is conserved
cannons velocity= (1/masscannon)(massbullet*velocitybullet) 
Physical Science 
john
10 m/s
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