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A special device can transmit sound that is out of phase with the sound of a noisy jackhammer to the jackhammer operator by means of earphones. Over the noise of the jackhammer, the operator can easily
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A special device can transmit sound that is out of phase with the sound of a noisy jackhammer to the jackhammer operator by means of earphones. Over the noise of the jackhammer, the operator can easily hear your voice, while you are unable to hear his. Explain.

User Ryan Her
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Answer:

, l l. l

Step-by-step explanation:

User Elad Shahar
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