The speed of sound V in a medium is directly proportional to wavelength X, the young module E and the density e of the medium. Use the method of base unit to find the formula for the speed of sound in the medium.

Which of the following energy forms are invovled in a nuclear power plant ? heat ,sound , electrical , nuclear ,mechanical

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.