A 20.0-kg cannon ball is fired from a cannon with muzzle speed of 1 000 m/s at
Question:
A 20.0-kg cannon ball is fired from a cannon with muzzle speed of 1 000 m/s at an angle of 37.0° with the horizontal. A second ball is fired at an angle of 90.0°. Use the conservation of energy principle to find
(a) The maximum height reached by each ball and
(b) The total mechanical energy at the maximum height for each ball. Let y = 0 at the cannon.
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