Recent content by Blingo

Thanks! I think I've got it now. The volume of the first sphere is: V1 = (4/3)(pi)R^3 The volume of the second sphere is: V2 = (4/3)(pi)(R/2)^3 = (1/6)(pi)R^3 Comparing the two spheres gives: V1 = 8 * V2 The mass of the first sphere is: M1 = Rho * V1 The mass...

thanks guys for the help. one final question -- when i treat the problem as two separate spheres, i thought to use the equation Y = (m1y1 + m2y2)/(m1 + m2) however, i don't know how to determine the distance between the two spheres. i determined the masses by multiplying the density by...

hmm, thanks. I'll try that now.

Hey guys, this is my first thread here. I'm just looking for a hint or two (no answer please). A sphere of styrofoam has radius R. A cavity of radius R/2 centered a distance R/2 directly above the center of the sphere is hollowed out and filled with a solid material of density five times...