Musicians can use beats to tune their instruments. one flute is properly tuned and plays the musical note a at exactly 440 hz. a second player sounds the same note and hears that her instrument is slightly "flat" (that is, at too low a frequency). playing at the same time as the first flute, she hears one loud-soft-loud beat per second. what is the frequency of her instrument?

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost