a projectile is fired from the ground level with a velocity of 500ms at 30 degree to the horizontal. Determine 1 it's horizontal range 2 the greatest vertical height reached 3 the time taken to reach this height (g=10mls2
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an anti aircraft gun fires at an elevation of 60degree at an enemy aircraft at 10.000 m above the ground. AE. what speed must the cannon be shot to hit the plane at the height (g=10m50)