Atest charge of 0.002 c experiences a force of 0.50 n on it is placed in an electric field. find the intensity of the electric field

What is the magnitude of the resultant vector round your answer to the nearest tenth

Hydrogen and helium are both members of?

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.