JEE Main & Advanced
Physics
Rotational Motion
JEE PYQ-Rotational Motion
question_answer
A uniform thin rod AB of length L has linear mass density \[\mu (x)=a+\frac{bx}{L},\]where x is measured from A. If the CM of the rod lies at a distance of \[\left( \frac{7}{12}L \right)\]from A, then a and b are related as : [JEE MAIN 11-04-2015]