Question

A 25 kg rock falls for 1.7 seconds. How many meters tall
was the building?

Answer 1

Description:

So if a 25 kg rock is falling 1.7 seconds.

2.7 + 1/2  9.8 m/s² 2.7 s)

= 35.72m²

Equations:

v = 0 m/s

a = 9.8 m/s²

t = 2.7

Answer: 35.72 m

Hope this helps.