What part of the atom does nuclear radiation come from?

What should the power status of a circuit be when measuring resistance with an ohmmeter?

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

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.