The lowest pitch that the average human can hear has a frequency of 20.0 Hz. If the wavelength of this wave is 16.5 m, what is the speed with which this sound travels through the air? Find the velocity, frequency, and wavelength.

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr

helium

oxygen

neon

sodium