Question

A rifle with muzzle velocity of 460m\s shoot a bullet at small target 46 metre away. How high above the target must the gun be aimed so that the bullet will hit the target.
assuming the target is horizontal from the gun.

distance bullet falls:
h=1/2 g t^2 where the time is from
t=46/460 seconds

h=1/2 (9.8)(46/460)^2

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