Suppose you are trying to lift a 3200 kg snuffleupagus with balloons. if each balloon has a volume of 150,000 cm^3. what is the minimum number of balloons you will need? the balloons have an average density of 0.245 kg/m^3 and assume a density of air of 1.20 kg/m^3?

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

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Photons with the highest energy have the longest period