tyrone analyzes the emission spectrum of an unknown element. he observes two discrete lines at 600 nm and 650 nm, and
he sees many lines corresponding to shorter wavelengths, with the strongest line being at 475 nm.
which emission spectrum is tyrone most likely analyzing?

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill

Sthird law, what is the equal and opposite force to the downward force of gravity pulling on a man standing on the beach?