A 10.0-m3 tank contains steam at 275°C and 15.0bar. The tank and its contents are cooled until the pressure drops to 1.8bar. Some of the steam condenses in the process. (a) How much heat was transferred from the tank? (b) What is the final temperature of the tank contents? (c) How much steam condensed (kg)?

What is the frequency of a light wave with a wavelength of 620nm

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?