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A mother hears a child scream from across the room 23 feet

A mother hears a child scream from across the room, 23 feet away. The sound pressure level is 72dB. When she holds the child on her shoulder, her ear is 3 inches from the screams. Using the decibel chart, about how long until damage to her hearing occurs if the child continues screaming?

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Physics: A mother hears a child scream from across the room 23 feet

Reference No:- TGS01271184

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