Homework Help: physics

Posted by Belle Jean on Thursday, May 17, 2012 at 6:07pm.

A wind sled has a mass of 45kg and is gliding at a speed of 2m/s over the frozen lake with neglible frictional effects. A gust of wind behind the sled exerts a force of 10N over a distance of 30m. With what speed is sled moving after the wind gust?

physics - Elena, Friday, May 18, 2012 at 2:02pm
F = m病 = > a =F/m.
s = (v² - vₒ²)/2病,
v = sqrt{(2彦不/m)+ vₒ²}

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