Three identical uniform meter sticks are placed on the floor. The first stick li

Question

Three identical uniform meter sticks are placed on the floor. The first stick lies along the y axis from y = 0.320 m to y = 1.32 m. The second stick lies along the x axis from x = 0.310 m to x = 1.31 m. The third stick is positioned so that one end is on the x axis at x = 0.510 m, and the other end is on the y axis at y = 0.860 m. Calculate the location of the center of mass of the meter sticks. Enter the x position first, then the y position. How many revolutions does the drill bit make as it comes up to speed?

Explanation / Answer

Mtotal*x=M(1/2)(0+0) + M(1/2)(1.32+.32) + M(1/2)(.690+0) mtotal= M+M+M so 3*x=1/2 (....) solve for xcm for the y: Mtotal*y= M(1/2)(1.47+.47)+M(1/2)(0+0) + M (1/2)(.724+0) solve for ycm

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