A vacationer sits all day on the corner of a pier in Boston Harbor and notices that at 9am, when the water level is at its lowest, the waters depth is 2 feet. At 4 pm, the water has risen to its maximum depth of 12 feet. If the depth of the water level varies sinusoidally, a. Find a formula for the depth of the water as a function of time, t, since 9am. b. What is the water depth at 7pm? c. Sketch a graph of your function showing at least one full period
Properties of sound
A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).
Quality Of Sound
A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.
Categories of Sound Wave
People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.
) A vacationer sits all day on the corner of a pier in Boston Harbor and notices that at
9am, when the water level is at its lowest, the waters depth is 2 feet. At 4 pm, the water has
risen to its maximum depth of 12 feet. If the depth of the water level varies sinusoidally,
a. Find a formula for the depth of the water as a function of time, t, since 9am.
b. What is the water depth at 7pm?
c. Sketch a graph of your function showing at least one full period
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