Posted by Candy on .
A penny is dropped from rest from the top of a very tall building. Assuming the height of the building is 406 m and ignoring air resistance, find the speed with which the penny strikes the ground.

Physics 
Henry,
Vf^2 = Vo^2 + 2g*d,
Vf^2 = 0 + 19.6*406,
Solve for Vf.