A bullet is fired in a horizontal direction with a muzzle velocity of 300m/s. In absence of air resistance, how far will it have dropped in traveling horizontal distance of 20m
The equations of motion of a bullet
"x=v_0t\\\\\ny=gt^2"Hence
"y=gx^2\/v_0^2=9.8*20^2\/300^2\\\\\n=0.044\\:\\rm m=4.4\\: cm"
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