The distance between the center of a condensation and the center of an adjacent rarefaction is 65.0 cm. If the frequency is 256.0 Hz, how fast are these waves moving?

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.