Posted by bob on Sunday, September 5, 2010 at 8:49pm.
Vf=Vi+acceleration*time
solve for acceleration.
How far does the object travel during this time?
You need to memorize some formulas:
distance= Vi*time+ 1/2 * acceleration*time^2
or
distance=average velocity*time
=(1/2)(Vf+Vi)*time
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