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Posted by on Sunday, March 30, 2014 at 11:13pm.

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 - , Monday, March 31, 2014 at 8:36am

    2000 u = 10 (200 cos 60 )
    u = cos 60

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