Question: A rod of length 30.0 cm has linear density (mass-per-length) given by = 50.0 g/m + 20.0x g/m2 where x is the distance from one

A rod of length 30.0 cm has linear density (mass-per-length) given by Ǎ = 50.0 g/m + 20.0x g/m2 where x is the distance from one end, measured in meters.
(a) What is the mass of the rod?
(b) How far from the x = 0 end is its center of mass?

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