a cannon with mass of 2,000 kg fires a 10 kg shell with a velocity of 200 m/s at an angle of 60 degrees above the horizontal. What is the recoil velocity of the cannon across the level ground?
physics - Damon, Monday, March 31, 2014 at 8:36am
2000 u = 10 (200 cos 60 )
u = cos 60