If a 180 pound body was dropped from a plane 5 miles in the air - how long would it take for the body to reach the ground?
Mass = 180Lb * 0.454kg/Lb = 81.72 kg.
h = 5mi * 1600m/mi 8000 m.
h = 0.5g*t^2 = 8000.
g = 9.8 m/s^2
t = ?
h = 5mi * 1600m/mi 8000 m.
h = 0.5g*t^2 = 8000.
g = 9.8 m/s^2
t = ?