Question

3)An object is allowed to fall from a top of 400m tall building.calculate the velocity just before hitting
the ground.(g=10m/s2)

Answer 1

Answer:

it is not a English question, it is physics question

Answer 2

Explanation:

v^2-u^2=2a*s

v^2=8000

v=80√5

v=80√5 m/s