- #1
libido_07
- 10
- 0
Homework Statement
A stone is dropped from the top of a building. If it takes 5 seconds for the stone to hit the ground, how high is the building? What is the velocity just before it hits?
Homework Equations
d=Vit + 1/2[g(t^2)]
Vf=Vi + gt
The Attempt at a Solution
=1m/s(5s) + 1/2[9.8m/s^2(5s^2)]
=122.5m downward
=0 + 9.8m/s^2(5s)
=49m/s downward