Physics, 27.02.2020 22:37, melanie687

The sound level measured in a room by a person watching a movie on a home theater system varies from,40 dBduring a quiet part to

70 dB,
during a loud part. Approximately how many times louder is the latter sound? (enter only a number as your answer)

Answers: 2

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The sound level measured in a room by a person watching a movie on a home theater system varies from...