As seen in Figure, two spheres of mass m and a third sphere of mass M form an equilateral triangle, and a fourth sphere of mass m4 is at the center of the triangle. The net gravitational force on that central sphere from the three other spheres is zero.(a) What is M in terms of m?(b) If we double the value of m4, what then is the magnitude of the net gravitational force on the central sphere?(a) The x coordinate and(b) The y coordinates of particleC?

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