![Find coordinates of centre of mass of a quarter ring of radius r placed in the first quadrant of a Cartesian coordinate system,with centre at originn...plzzz explain the procedure. Find coordinates of centre of mass of a quarter ring of radius r placed in the first quadrant of a Cartesian coordinate system,with centre at originn...plzzz explain the procedure.](https://embibe-ask.s3.amazonaws.com/images/production/2017-02-22_10-25-04_phy187.jpg)
Find coordinates of centre of mass of a quarter ring of radius r placed in the first quadrant of a Cartesian coordinate system,with centre at originn...plzzz explain the procedure.
![Centre of mass Imaginary point where the whole mass of system can be assumed to be concentrated The centre of mass of two bodies lies in a straight line. (Here m1 & m2 are two bodies such that m1 is at a distance x1 from O, & m2 at a distance x2 from O ... Centre of mass Imaginary point where the whole mass of system can be assumed to be concentrated The centre of mass of two bodies lies in a straight line. (Here m1 & m2 are two bodies such that m1 is at a distance x1 from O, & m2 at a distance x2 from O ...](https://www.examfear.com/u-img/00/00/11/00001138.jpg)
Centre of mass Imaginary point where the whole mass of system can be assumed to be concentrated The centre of mass of two bodies lies in a straight line. (Here m1 & m2 are two bodies such that m1 is at a distance x1 from O, & m2 at a distance x2 from O ...
![What is $dm$ in the center of mass formula in the $y$-direction $y_{cm} = \frac{\int y\ dm}{\int dm}$? - Physics Stack Exchange What is $dm$ in the center of mass formula in the $y$-direction $y_{cm} = \frac{\int y\ dm}{\int dm}$? - Physics Stack Exchange](https://i.stack.imgur.com/Pi82h.png)
What is $dm$ in the center of mass formula in the $y$-direction $y_{cm} = \frac{\int y\ dm}{\int dm}$? - Physics Stack Exchange
![15. A uniform semi-circular wire of radius 1 m andunknown mass is lying in xy plane as shown. - Brainly.in 15. A uniform semi-circular wire of radius 1 m andunknown mass is lying in xy plane as shown. - Brainly.in](https://hi-static.z-dn.net/files/d1f/693167de747bbfa0e0584d642d8496b5.jpg)