A trumpeter plays at a sound level of 75dB. three equally loud trumpet players join in. what is the new sound level?​

Question

A trumpeter plays at a sound level of 75dB. three equally loud trumpet players join in. what is the new sound level?​

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Nho 4 years 2021-08-26T08:11:49+00:00 1 Answers 34 views 0

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  1. giabao
    0
    2021-08-26T08:13:32+00:00
    Reply

    The answer is approx 87 decibels.

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