a crate falls from an airplane flying horizontally at an altitude of 2,000 m. neglecting air drag, howlong will the crate take to strike the ground/ is the formula t = d/v help
lavalamp
Oct27-03, 06:41 PM
First write out what you know:
u = 0 m/s
v = v
a = 9.81 m/s2
s = 2000 m
t = t
then pick the appropriate formula:
s = ut + 0.5at2
2000 = 4.905 * t2
t2 = 407.7
t = 20.2 s