Question

An object falls from a high building and hits the ground at 40 m/s.

What is the distance that it fell?

Answer 1

Step-by-step explanation:

v² = u² + 2as

s = (v² - u²)/2a

s = (40² - 0²) / (2(-9.8))

s = 81.6326...

s = 82 m