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A car horn outdoors produces a sound intensity level LI of 90dB at 10 feet away. oWhat is its intensity I at this first location? oWhat is its I and LI at 20 feet away? oWhat is its I and LI at 40 feet away?

A car horn outdoors produces a sound intensity level LI of 90dB at 10 feet away. oWhat is its intensity I at this first location? oWhat is its I and LI at 20 feet away? oWhat is its I and LI at 40 feet away?

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  • A car horn outdoors produces a sound intensity level LI of 90dB at 10 feet away.

oWhat is its intensity I at this first location?

oWhat is its I and LI at 20 feet away?

oWhat is its I and LI at 40 feet away?

oWhat is its I and LI at 80 feet away?

oWhat is the difference in dB at each location?

▪ A car horn outdoors produces a sound intensity level L, of 90dB at 10 feet away. o What is its intensity / at this first location? o What is its / and L, at 20 feet away? o What is its / and L, at 40 feet away? o What is its / and L, at 80 feet away? o What is the difference in dB at each location? ASSUME THAT THE SOUND PROPAGATES SPHERICALLY.
Transcribed Image Text:▪ A car horn outdoors produces a sound intensity level L, of 90dB at 10 feet away. o What is its intensity / at this first location? o What is its / and L, at 20 feet away? o What is its / and L, at 40 feet away? o What is its / and L, at 80 feet away? o What is the difference in dB at each location? ASSUME THAT THE SOUND PROPAGATES SPHERICALLY.
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