A Uniform Rod
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Q.
The density of a linear rod of length L varies as
ρ = A + Bx where x is the distance from the left end.
Locate the centre of mass.
2AL+3BL22(3A+BL)
3AL+4BL22(3A+2BL)
3AL+2BL23(2A+BL)
3AL+BL2(2A+BL)