Aclosed rigid tank contains a two phase liquid vapor mixture of refrigerant 22 initially at 20 c with a quality of 50.00 energy transfer by heat into the tank occurs until the refrigerant is at a final pressure of 6 bar determine the final temperature in c if the final state is in the superheated vapor region at what temperature in c does the tank contain only saturated vapor

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation