Posted by Matt on Thursday, February 3, 2011 at 10:28pm.
A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the workkinetic energy theorem and disregarding friction, find the velocity of the crate at the bottom of the ramp

Physics  drwls, Friday, February 4, 2011 at 1:21am
If there is no friction, the angle of the slope doesnt matter. The mass won't matter either, after you set
M g H = (1/2) M V^2
and solve for V.
H is the vertical distance that it falls. Since you know the length L and the angle,
H = L sin 14.
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