Science
posted by yolanda on .
A ball dropped from the roof of a building take 4s to reach the street. How high is the building?

h= 1/2 g t^2
h= 1/2 g (16) solve for h. 
100
posted by yolanda on .
A ball dropped from the roof of a building take 4s to reach the street. How high is the building?
h= 1/2 g t^2
h= 1/2 g (16) solve for h.
100