Increasing the what of two objects will cause the gravitational force between the objects to decrease

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

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Which type of reaction is shown in this energy diagram ?