Saturday
November 22, 2014

Homework Help: physics

Posted by waves on Monday, November 18, 2013 at 8:55pm.

Expensive amplifier A is rated at 210W , while the more modest amplifier B is rated at 45W .
Estimate the sound level in decibels you would expect at a point 9.0m from a loudspeaker connected in turn to each amp.

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