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physics

a cannon with mass of 2000kg fires a 10kg shell at an angle of 60 degrees above the horizontal. if the recoil velocity of the cannon across the level ground is 0.5 m/s what is the velocity of the cannon ball.

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  1. 0=mvcosα -Mu
    v=Mu/ mcosα=
    =2000•0.5/10•cos60º= 200 m/s

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