Two particles of different masses are in a vacuum. At their current positions, they exert a gravitational force F_G on each other and the system of particles has a gravitational potential energy of U_G. Determine (a) The distance between the two particles (b) The product of their masses. Ford b/w two particles , F = am , m z Gravitational potential energy U. = um,my a ) Distance blu two particles , a = Ua b ) Product of their masses, an, m, Gim , me ) 2 So mm. Fa X a U 2 m, m, va Fa G