A guitar string vibrates with a frequency of 320 hz. If the wavelength of the vibration is 0.23 meters, what is the speed of the wave?

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

Select all the correct answers. which three statements about electromagnetic radiation are true?