Physics teacher, Mr.McKee, shoots a .22 caliber rifle at a .30 kg block of wood. The rifle and the wood are mounted on carts that sit on air track, as shown, so that friction is negligible. The 6.0 kg gun fires a 0.020 kg bullet with a speed of 200 m/s.
a) what is the final velocity of the block of wood with the bullet lodged inside?
b) what is the recoil velocity of the gun?
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