Question

A helicopter is ascending vertically with a speed of 5.20m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take fo the package to reach the ground? [Hint: The package's initial speed equals the helicopter's}

Answer 1

vi= 5.2 m/s
g= -9.8 m/s^2
d=125 m
t= ?
d= vit + gt^2/2

t=5.61s