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October 16th, 2006

bassplayrbrad @ 05:24 pm: Physics (Center of Mass)
Hey everybody! I'm taking a class with online homework and I just joined this community, so I'm not sure if this falls within its scope, but anyway here goes:

"An abstract sculpture consists of a ball (radius R=45 cm) resting on top of a cube (each side L=110 cm long). The ball and the cube are made of the same material of uniform density; there are no hollow spaces inside them. The bottom face of the cube rests on a horizontal floor. How high is the sculpture's center of mass above the floor? Answer in units of cm."

Thanks!

May 14th, 2006

busylittlelia @ 04:33 pm: I found this community of search>interests... I hope its okay for me to post :)

I cant seem to grasp this problem

Use the distance formula and the Pythagorean theorem to determine wether the set of points could be vertices of a rigth triangle:
(-4,5)(6,1)(-8,-5)

If anyone can help me it would be greatly appreciated =D

Current Mood: draineddrained
hermiones_twin @ 01:25 pm:
6. Which equation represents a function?
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It's not the first one.
7.
What is the solution set of the equation  x=2sqrt(2x-3)  ?
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