See the attached figure.
For convenience take the side AB to lie on the X-axis with A at the origin. Then the co-ordinates of C are, 2Cos(60); 2 Sin (60)
That is, 2 x ...
The problem is solved giving all necessary mathematical steps. It will enable you to do similar problems yourself.
Find the x coordinate of the center of mass.
Please see the attached file for full problem description with diagram.
For the system of particles described above, find the x coordinate xcm of the center of mass. Assume that the particle of mass M is at the origin and the positive x axis is directed to the right.
Express your answer in terms of L.