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February 27, 2015

February 27, 2015

Posted by **Kristi** on Wednesday, July 13, 2011 at 11:44pm.

- Physics -
**drwls**, Thursday, July 14, 2011 at 4:52amUse the formula

F = m a

to get the force in Newtons.

In this case, m is the combined mass of kayak and the person paddling.

You neglected to provide units for the combined mass. I assume it is kilograms.

For the acceleration, a, assume uniform acceleration, in which case

Vfinal = sqrt(2aX)

a = Vfinal^2/(2X)

X = 0.554 m

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