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DanielleElmas [232]
1 year ago
13

Explain how a musical instrument such as a piano may be tuned by using the phenomenon of beats.

Physics
1 answer:
Oxana [17]1 year ago
7 0

the musical instrument such as a piano may be tuned by using the phenomenon of beats.

The phenomena of beat frequency is often used to tune musical instruments like piano. A tuning fork is  tapped ad a string of paino is plucked simultaneously. If the two sound sources produce  beats whose frequencies are different, their frequencies won't be identical, and they are will out of tune and noise. Hence the above process is repeated until the frequencies are identical and resonant and the frequencies are not distinguished. Thus making the instrument in tune

This method will work more efficiently for an instrument that is entirely out of tune because it will be easier to distinguish the beats of the instruments and the tuning fork.

Hence the musical instrument such as a piano may be tuned by using the phenomenon of beats.

#SPJ4

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If the beam is in static equilibrium, meaning the Net Torque on it about the support is zero, the value of x₁ is 2.46m

Given the data in the question;

  • Length of the massless beam;L = 4.00m
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Now, since it is mentioned that the beam is in static equilibrium, the Net Torque on it about the support must be zero.

Hence, m_1g( x-x_1) = m_2gx_2

we divide both sides by g

m_1( x-x_1) = m_2x_2

Next, we make x_1, the subject of the formula

x_1 = x - [ \frac{m_2x_2}{m_1} ]

We substitute in our given values

x_1 = 3.00m - [ \frac{61.7kg\ * \ 0.273m}{31.3kg} ]

x_1 = 3.00m - 0.538m

x_1 = 2.46m

Therefore, If the beam is in static equilibrium, meaning the Net Torque on it about the support is zero, the value of x₁ is 2.46m

Learn more; brainly.com/question/3882839

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