A particle goes from x = -2 m ,z = 1 m to x = 3 m , y = -1 , z =4 m . Its displacement is

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.

The least penetrating form of radiation is

State the following: boyle's law and charle's law