If a sound wave has a speed of 300 m/s and a wavelength of 2 m, what is the frequency of the sound wave? a 0.0067 Hz. b 150 Hz
c 302Hz
d 600Hz ​

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

need to see circuit to get time constant

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.