a bullet is fired in a horizontal direction with a muzzle velocity of 300ms-1 in the absence of air resistance, how far

Question

will it have dropped in travelling a horizontal distance of 20m?

Answer 1

flight time (t) is ... 20 m / 300 m/s

drop distance is ... 1/2 g t^2 = 1/2 * 9.8 * (2 / 30)^2 ... meters