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April 1, 2015

April 1, 2015

Posted by **sally** on Sunday, October 24, 2010 at 4:17pm.

(a) the speed v

m/s

(b) the horizontal force exerted on the car

N

- Physics -
**drwls**, Sunday, October 24, 2010 at 4:36pm(a) The final kinetic energy,

(M/2)(Vfinal)^2,

is the work done.

(b) Since the work done is also

F*X = F*27.0 m,

you can solve for the horizontal force, F.

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