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Mudit Sharma Grade: 12
        Q.

A semi-circular disc has
a variable mass distribution
varying as s=(s0)sinx
where (s0) is the areal mass density(initial) and x is the
angle with the radius.
If the radius of the dic is R.
FInd its Center of mass.
6 years ago

Answers : (1)

Pramod J AskiitiansExpert-IIT-B
36 Points
										

Dear student,


due to symmetry x coordinate is 0


r of C.M = int{r*dm}/M


            = int{r*s0sinx*r^2dx}/M (x varies from 0 to 9)


r is same as y since x coordinate is 0

6 years ago
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