A diver is working at a depth where the pressure is 2.85 times the standard atmospheric pressure at the water's surface. The air she exhales forms bubbles 17.6 mm in diameter. How much work does a bubble do as it rises to the surface, assuming it remains at a constant temperature?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force