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.
Mudit Sharma , 14 Years ago
Grade 12
1 Answers
Pramod J AskiitiansExpert-IIT-B
Last Activity: 14 Years ago
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
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