What is the pressure 200m below the surface of liquid of density 2300kg/m^3?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

How many atoms of nitrogen are in the chemical formula ni(w on

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?