view. A 12.0-kg object hangs in equilibrium from a string with a total length of L =5.00 m and a linear mass density of μ = 0.001 00 kg/m. The string is wrapped aroundtwo light, frictionless pulleys that are separated by a distance of d = 2.00 m (Fig.P17.47a). (a) Determine the tension in the string. (b) At what frequency must the stringbetween the pulleys vibrate to form the standing-wave pattern shown in Figure P17.47b?
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.
view. A 12.0-kg object hangs in equilibrium from a string with a total length of L =
5.00 m and a linear mass density of μ = 0.001 00 kg/m. The string is wrapped around
two light, frictionless pulleys that are separated by a distance of d = 2.00 m (Fig.
P17.47a). (a) Determine the tension in the string. (b) At what frequency must the string
between the pulleys vibrate to form the standing-wave pattern shown in Figure P
17.47b?
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