Question

A helicopter is ascending vertically with a seed of 8.00 m/s. at a height of 120m above the earth, a package is dropped from a window. How much time does it take for the package to reach the ground?

Answer 1

Answer:

R.E.F. Image.

U = 8 cm/sec.,a = -g

s =ut+

2

1

at

2

−12=8t−

2

1

×9t

2

−12=8t−5t

2

5t

2

−8t−12=0

t = 2.53 seconds.