Frank has a sample of steel that has a mass of 80 grams if the density is 8g/cm3 what is the volume

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

If you put a helium-filled balloon in the refrigerator, what will happen?