physics

An artillery shell is fired from a cannon with an elevation of a = 30° and muzzle velocity of v = 300 m/s . Find the time of flight of the shell, and its range.

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  1. the height is
    y = 300 sin30° - 4.9t^2 = 150t - 4.9t^2
    so find when y=0
    and the range is 150 cos30° * t

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