## Question

###### Point) A long thin bar of length cm is made of material, whose mass density changes along the bar according tofk) =x+4, 0<x<9Find:a) The total mass of the bar:b) The average mass density along the bar:c) The center of mass of the bar:What point along the bar should you cut to get two equal pieces of mass?

point) A long thin bar of length cm is made of material, whose mass density changes along the bar according to fk) =x+4, 0<x<9 Find: a) The total mass of the bar: b) The average mass density along the bar: c) The center of mass of the bar: What point along the bar should you cut to get two equal pieces of mass?

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