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Mike Joy Said,
January 15th, 2011 @12:11 pm  

Use the 3 equations below to work out 3 variables, namely a = acceleration and v = final velocity.

1. v = ut + 1/2at2

2. v2 – u2 = 2as

3. v = u + at

First use 1 and 2 to work out t and u (simultaneous equations)

Then use the other two equations to work out a.

Then F = ma

v = final velocity
u = initial velocity
t = time
s = distance
a = acceleration
F = force
m = mass

Hope this helps. If confused please IM

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