At t = 0, the instantaneous position of two pulses moving along a taut string with a speed v = 20.3 cm/s are as shown in the diagram below. Each unit on the horizontal axis is 2.0 cm and each unit on the vertical axis is 3.0 cm. (The peak of pulse 2 is exactly on a half unit of the horizontal axis.) pulse 2 pulse 1 (a) At what location will the resultant of the two pulses have maximum amplitude? 7.0 The amplitude of the resultant will be maximum when the peaks of the two pulses overlap. How far does each pulse move to get to this position? cm (b) At what time will the resultant of the two pulses have maximum amplitude? 0.345 What is the relationship between speed, time, and distance? s (c) What is the value of this maximum amplitude?
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.
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