An infinitely thin rod of length 1 m has density 8(z) = 1+kr² g/m, where k> 0 is constant and a is given in meters. The rod is lying on the positive z-axis with its left end at the origin. Find 7, the center of mass of the rod as a function of k in meters. Show that 0.5 < < 0.75 for all possible values of k. (a) (b)

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An infinitely thin rod of length 1 m has density 8(x) = 1+kr² g/m, where k> 0 is constant and a
is given in meters. The rod is lying on the positive z-axis with its left end at the origin.
Find 7, the center of mass of the rod as a function of k in meters.
Show that 0.5 <<0.75 for all possible values of k.
(a)
(b)
Transcribed Image Text:An infinitely thin rod of length 1 m has density 8(x) = 1+kr² g/m, where k> 0 is constant and a is given in meters. The rod is lying on the positive z-axis with its left end at the origin. Find 7, the center of mass of the rod as a function of k in meters. Show that 0.5 <<0.75 for all possible values of k. (a) (b)
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