Where will the stones meet?

1. The problem statement, all variables and given/known data
This is a very simple question. I even got the answer but I don’t exactly I got it. Here it is:
A stone is allowed to fall from the top of a 100 m high and at the same time another stone is projected vertically upwards from the ground with a velocity of 25 m/s. Calculate when and where will the two stones meet.

2. Relevant equations

v2 – u2 = 2as

s = ut + 1/2at2

v = u + at
1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

http://ift.tt/1pTz6G5

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