Indeed a hotline would suggest a widely used point of communication, not a secret phone number available in a limited number of cities for an undefined purpose. The number (800-353-8237 or 800-353-UBER) was first reported in Quartz, which found it buried several links deep in the app. And when Inc. followed up, an Uber representative said there was no emergency contact, only to walk that statement back the following day.
The pitch or note of a sound that we experience is determined by its wavelength or its frequency. The shorter the wavelength, the higher the frequency becomes, and the higher the pitch that we hear.The amplitude of a sound wave is the same thing as loudness.The loudness or amplitude corresponds to how much the wave is compressed.he pitch or note of a sound that we experience is determined by its wavelength or its frequency. The shorter the wavelength, the higher the frequency becomes, and the higher the pitch that we hear.
Definition: Wavelength is a property of a wave that is the distance between identical points between two successive waves.The distance between one crest (or trough) of one wave and the next is the wavelength of the wave.Examples: The wavelength of light determines its color and the wavelength of sound determines the pitch.he distance between one crest (or trough) of one wave and the next is the wavelength of the wave. Examples: The wavelength of light determines its color and the wavelength of sound determines the pitch.