Thank you! :) I'll need all the help I can get from PF this year. Haha.
To make sure I am doing this right, I would need to combine the 2 equations just to find time?
Given equations:
1) -x = -1/2*g*t^2
2) h - x = ut - 1/2*g*t^2
Therefore, I would plug the 1st equation for the -x...
Homework Statement
A ball is dropped from rest from the top of a cliff that is 17.4 m high. From ground level, a second ball is thrown straight upward at the same instant that the first ball is dropped. The initial speed of the second ball is exactly the same as that with which the first ball...