when the charges in the rod are in equilibrium, what is the magnitude e of the electric field within the rod? express your answer in volts per meter to at least three significant figures.

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.

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Select all the correct answers. which three statements about electromagnetic radiation are true?