Question: A fireworks rocket explodes at a height of 100 m above the ground. An observer on the ground directly under the explosion experiences an average

A fireworks rocket explodes at a height of 100 m above the ground. An observer on the ground directly under the explosion experiences an average sound intensity of 7.00 X 10─2 W/m2 for 0.200 s.
(a) What is the total sound energy of the explosion?
(b) What is the sound level in decibels heard by the observer?

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