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puteri [66]
2 years ago
15

HELP PLEASE

Mathematics
1 answer:
ale4655 [162]2 years ago
5 0

Answer:

The possible approximate frequencies of the guitar string are 516.82 Hz and 508.82 Hz

Step-by-step explanation:

The given period of the tuning fork, T₁ = 1.95 × 10⁻³ s

The number of beats in 6.0 s = 24 beats

Therefore, the beat frequency, f_{beat} = 4 beats per second = 4 Hz

Let f₁ represent the frequency of the tuning fork, and let f₂ represent the frequency of the guitar string, we have;

f₁ = 1/T₁ = 1/(1.95 × 10⁻³) ≈ 512.82 Hz

We have;

f_{beat} = \left | f_2 - f_1 \right |

\pm f_{beat} = f_2 - f_1

Therefore, we get;

4 \, Hz= \left | f_2 - 512.82 \, Hz \right |

f₂ - 512.82 = ± 4

∴ f₂ = 512.82 ± 4

The possible frequencies of the guitar string,  f₂ ≈ 516.82 Hz or f₂ ≈ 508.82 Hz

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