(10%)Problen 9: A single dog barks at a sound intensity level of»-89dB. Randomiz

Question

(10%)Problen 9: A single dog barks at a sound intensity level of»-89dB. Randomized Variables -89 dB ment Statur ck here for tailed view 50% Part (a) Anderdog runs up beside the firstdog moearts hear from the two dogs barking king at same sound intensity level, what sound intensity level índBdo Grade Samary D dations 0% lem Staturs Completiod cotan)asin aposo Degrees Radians 6 Complesed 7 Completed - 50% Part(h) Now sound internity level in dB be if there are n14 dogs barking at you? 3 5 8 9 0 command command option

Explanation / Answer

Here ,

B = 89 dB

NOw, for the two dogs

part A)

sound intensity level = B + 10 * log(2)

sound intensity level = 89 + 10 * log(2)

sound intensity level = 92 dB

the sound intensity level is 92 dB

b)

sound intensity level = B + 10 * log(14)

sound intensity level = 89 + 10 * log(14)

sound intensity level = 100.5 dB

the sound intensity level is 100.5 dB

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