Author Question: To decrease the intensity of the sound you are hearing from your speaker system by a factor of 36, you can (Read 468 times)

Pineappleeh · **on:** Aug 6, 2020

Question 1

The Young's modulus for aluminum is 7.02 × 10¹⁰ N/m². If the speed of sound in aluminum is measured to be 5.10 km/s, find its density (in kg/m³).

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11.3 × 10³

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7.80 × 10³

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2.70 × 10³

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29.3 × 10³

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1.40 × 10³

Question 2

To decrease the intensity of the sound you are hearing from your speaker system by a factor of 36, you can

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reduce the amplitude by a factor of 12 and increase your distance from the speaker by a factor of 3.

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reduce the amplitude by a factor of 4 and increase your distance from the speaker by a factor of 3.

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reduce the amplitude by a factor of 2 and increase your distance from the speaker by a factor of 3.

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reduce the amplitude by a factor of 3 and increase your distance from the speaker by a factor of 4.

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reduce the amplitude by a factor of 3 and increase your distance from the speaker by a factor of 12.

recede · **Reply #1 on:** Aug 6, 2020

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malelalopo121 · **Reply #2 on:** Apr 20, 2023

Thank you