The explosion of the firecracker in the air at a height of


The explosion of the firecracker in the air at a height of 40m produces a 100 db sound level at the ground below. If the threshold of hearing is 10-12Wm-2, what is the instantaneous total radiated power, assuming that it radiates as a point source?

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Physics: The explosion of the firecracker in the air at a height of
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