Homework Help: physics

Posted by ringo on Monday, October 8, 2012 at 1:26am.

A rifle with a muzzle velocity of Vo shoots a bullet at a target R ft away. How high above the
target must the rifle be aimed so that the bullet will hit the target?

physics - Elena, Monday, October 8, 2012 at 5:19pm
R=v₀•t
t=R/v₀
h=g•t²/2= g•R²/2•v₀²

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