Class Management | Help Chapter 17 Begin Date: 9/4.2019 12:01:00 AM - Due Date: 9/6 2019 11:59:00 PM End Date: 9/13/2019 11:59:00 PM (11%) Problem 8: A Student Hears A Sound With A Power Of P = 21 W. At Their Distance From The Source, The Sound Has Intensity / 0.59 W/M2 50% Part(A) Assuming The Eardrum Is Circular, What Is The Radius Of Their

 

 

Class Management Help Chapter 17 Begin Date: 9/4/2019 12:01:00 AM- Due Date: 9/6/2019 11:59:00 PM End Date: 9/13/2019 11:59:00 PM (11%) Problem 8: A student hears a sound with a power of P-21 W. At their distance from the source, the sound has intensity /= 0.59 W/m the ExpertTA.c 50% Part (a) Assuming the eardrum is circular, what is the radius of their eardrum, in meters? 71-3.45-10- -0.00345 Correct! 50% Part (b) Another student stands in the exact same location, but receives 20% more power from the same source. What is the radius of t second student's eardrums? + . Grade Summary Deductions Potential 90 Submissions Attempts remaining (10% per attempt) detailed view 23.68 10-6 sin cotan cos asin tan) acos " ( E TA 7 8 9 HOME 4 5 6 - atan acotan sinh() 123 cotanh 0 END 1 NO BACKSPACE INL CLEAR Submit Hint Feedback Hints: 5 deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback cosh) tanh Degrees Radians All content 2019 Expen TA, LLC