[7.21cm] Two mercury drops each of radius lmm merge to form a bigger drop. Calculate the surface energy released. Surface tension of mercury 0.5Nm-. [2.6*10-6] ​

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward