Acube of gold weights1.89n when suspended in air from a spring scale. when suspended in molasses, it appears to weight 1.76 n. what is the bouyancy force acting on the cube? do you think the buoyancy force would bengreater or smaller if the gold cube were suspended in water?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.