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Two dimensions. In the figure, three point particles are fixed in place in an xy plane. Particle A has mass mA = 4 g, particle B has mass 2.00mA, and particle C has mass 3.00mA. A fourth particle D, with mass 4.00mA, is to be placed near the other three particles. At what (a) x coordinate and (b) y coordinate should particle D be placed so that the net gravitational force on particle A from particles B, C, and D is zero (d = 21 cm)? (a) Number Units (b) Number Units

Two dimensions. In the figure, three point particles are fixed in place in an xy plane. Particle A has mass mA = 4 g, particle B has mass 2.00mA, and particle C has mass 3.00mA. A fourth particle D, with mass 4.00mA, is to be placed near the other three particles. At what (a) x coordinate and (b) y coordinate should particle D be placed so that the net gravitational force on particle A from particles B, C, and D is zero (d = 21 cm)? (a) Number Units (b) Number Units

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Two dimensions. In the figure, three point particles are fixed in place in an xy plane. Particle A has mass m A = 4 g , particle B has mass 2.00 m A , and particle C has mass 3.00 m A . A fourth particle D , with mass 4.00 m A , is to be placed near the other three particles. At what (a) x coordinate and (b) y coordinate should particle D be placed so that the net gravitational force on particle A from particles B , C , and D is zero ( d = 21 cm ) ? (a) Number i Units ◻ (b) Number i Units ◻

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