Answer
The person with the 5 dB threshold.
Work Step by Step
As seen in Table 21.1, a 5 dB sound has lower intensity than a 10 dB sound. The person with more acute hearing can hear the fainter sound.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 21 - Think and Explain - Page 402-403: 58
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