Question

Three masses $m_1$ = 1, $m_2$ = 2 and $m_3$ = 3 are located on the x-axis such that their center of mass is at x = 1. Another mass $m_1$ = 4 is placed at x, and the new center of mass is at x = 3. The value of $x_0$ is.

Answer 1

The correct answer is: 6