Doppler Effect and Sonic Booms, The - Animations and pictures of the phenomena of the shift in frequency and wavelength of waves due to the motion of the source or the receiver of waves.
NASA: Speed of Sound - Illustrates and explains the notion of the speed of sound.
Speed of Sound - Explains formula for calculating the speed of sound.
Speed of Sound in Air - Calculator that determines the speed of sound in air. Also offers calculator for sound speed in gases.
