An old Civil War cannon is fired. The cannon has a mass of 875 kg. It fires a 35 kg cannon ball at a velocity of 145 m/s straight up. (a) What is What is the recoil velocity of the cannon? (b) What is the KE of the cannon ball as it leaves the cannon? (c) What is the KE of the cannon ball at the top of its trajectory? (d) What is its momentum at this point?

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