onation. Assume the total acoustic er nal to the mass of the TNT:
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![10.64 The explosion of 23 kg of TNT creates a sound level of 200 dB SPL a distance
3m away from the detonation. Assume the total acoustic energy produced in such
explosions is proportional to the mass of the TNT:
(a) How far away must you be to avoid the threshold of pain from a blast from 100kg
of TNT?
(b) What fraction of the energy released from the detonation is in the form of acoustic
energy over the hemispherical release region? Assume the blast is 50 ms long and a
ton of TNT releases 4.18 × 10º J.
(c) It has been reported that 1 ton of TNT produces 120 dB SPL at 15km. Is this
consistent with the data given in this problem?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F152be0a3-9854-4948-accd-6894e399904f%2F1bf75760-d587-47db-9c79-cc3360b279b6%2F4el3x8_processed.png&w=3840&q=75)
Transcribed Image Text:10.64 The explosion of 23 kg of TNT creates a sound level of 200 dB SPL a distance
3m away from the detonation. Assume the total acoustic energy produced in such
explosions is proportional to the mass of the TNT:
(a) How far away must you be to avoid the threshold of pain from a blast from 100kg
of TNT?
(b) What fraction of the energy released from the detonation is in the form of acoustic
energy over the hemispherical release region? Assume the blast is 50 ms long and a
ton of TNT releases 4.18 × 10º J.
(c) It has been reported that 1 ton of TNT produces 120 dB SPL at 15km. Is this
consistent with the data given in this problem?
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