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TDizzl
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Homework Statement
The law of conservation of energy applies to the motion of vehicles. Find the work done on a 1200kg vehicle when it slows from 90kmh-1 to 50kmh-1 in 8.0 seconds.
Homework Equations
W=1/2mv^2 - 1/2mu^2
The Attempt at a Solution
[/B]
W=0.5*1200*50^2 - 0.5*1200*50^2