Homework Help: physics

Posted by Allie on Wednesday, March 9, 2011 at 4:25pm.

A child and sled with a combined mass of 50.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed of 3.40 m/s at the bottom, what is the height of the hill?

physics - Damon, Wednesday, March 9, 2011 at 4:32pm
m g h = (1/2) m v^2
as you can see the mass has no effect

h = v^2/(2g)

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