B8 Problem 4: An audio engineer takes decibel readings at distances of r= 1l m and ry = 21 m from a concert stage speaker during a sound check.When he is ri from the speaker, the engineer registers a decibel level of Bi = 101 dB on his loudness meter.Randomized Variables2=21 mP=101 dBPart (a) What is the intensity of the sound, 1, in watts per square meter, that is measured by the loudness meter when the engineer is a distance offrom the speaker?Grade SummaryDeductionsPotential100%78Submissionscos)asin)sin()tan()E 45I 2 3Atempts remaining(0 per attempt)detaled viewcotan()acos()atan()acotanosinh)cosh)tanh0cotanh)O Degrees O Radiansvol ASubmitHintI give up!Feedback:deduction per feedbackHints: 05 deduction per hint. Hints remaining 4-Part (b) How much power P, in watts, is coming from the spcaker during the sound check at distance r?Part (e) Assuming that the spcaker output does not change between the two measurements at r and r2, what sound intensity level B2, in decibels,will the loudness meter report when the engineer is at a distance ra from the speaker?All en TEgen TA LLC

Given: Distances, r1=11 mr2=21 m And, β=101 dB To find: a) Intensity of sound b) Power, c)…

Problem 4: An audio engineer takes decibel readings at distances of rl m and r 21 m from a concert stage speaker during a sound check. When he is ry from the speaker, the engineer registers a decibel level of B= 101 dB on his loudness meter. Randomized Variables llm 2=21 m A- 101 dB Part (a) What is the intensity of the sound, I4. in watts per square meter, that is measured by the loudness meter when the engineer is a distance oR from the speaker? Grade Summary Deductions Potential 100% sin() COM) tan) 9. Submissions Attempts remaining (O per atlempt) detaled view asin) E 45 6. acos() sinh cotan() atan() acotan) cosh) Degrees O Radians tanh) cotanh() Submit Hint I give up! Feedback: deduction per feedback. Hints: 0 deduction per hint. Hints remaining4 Part (b) How much power P, in watts, is coming from the speaker during the sound check at dis Part (e) Assuming that the spcaker output does not change between the two measurements at and ra, what sound intensity level B2, in decibels, ce r? will the loudness meter report when the engineer is at a distance r2 from the speaker?

Problem 4: An audio engineer takes decibel readings at distances of rl m and r 21 m from a concert stage speaker during a sound check. When he is ry from the speaker, the engineer registers a decibel level of B= 101 dB on his loudness meter. Randomized Variables llm 2=21 m A- 101 dB Part (a) What is the intensity of the sound, I4. in watts per square meter, that is measured by the loudness meter when the engineer is a distance oR from the speaker? Grade Summary Deductions Potential 100% sin() COM) tan) 9. Submissions Attempts remaining (O per atlempt) detaled view asin) E 45 6. acos() sinh cotan() atan() acotan) cosh) Degrees O Radians tanh) cotanh() Submit Hint I give up! Feedback: deduction per feedback. Hints: 0 deduction per hint. Hints remaining4 Part (b) How much power P, in watts, is coming from the speaker during the sound check at dis Part (e) Assuming that the spcaker output does not change between the two measurements at and ra, what sound intensity level B2, in decibels, ce r? will the loudness meter report when the engineer is at a distance r2 from the speaker?