Three uniform spheres are located at the comers of an equilateral triangle. Each side of the triangle has a length of 1. 20 m. Two of the spheres have a mass of 2. 80 kg each. The third sphere (mass unknown) is released from rest. Considering only the gravitational forces that the spheres exert on each other, what is the magnitude of the initial acceleration of the third sphere?.

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In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?