Answer Happy

(4%) Problem 4: A student exchanges the stock headphones (31 = 88 dB) for her mp3 player for a new set that is louder (₂=92.5 dB) If the first set produced a power of P₁ = 0.5 W how much power does the new set produce, P₂ in W? P₂=1 sin() cotan() atan() cosh() cos() asin() acotan() tanh() ⒸDegrees Submit tan() acos() sinh() cotanh() Radians Hint ग E (1) 9 5 6 1 2 3 + 0 VO BACKSPACE 7 M 7 8 4 . END I give up! Feedback: 0% deduction per feedback. 4
(4%) Problem 8: An 8-hour exposure to a sound intensity level of 90.0 dB can cause hearing damage. sin() cos() cotan() asin() atan() acotan() cosh() How much energy, in joules, falls on a 0.775-cm-diameter eardrum when exposed to this sound volume for this period of time? E=1 tanh() cotanh() Degrees O Radians Hints: 0% deduction per hint. Hints remaining: 1 x tan() acos() E sinh() Submit Hint ( + 7 8 4 5 1 2 0 VOKACKFACE 9 6 3 HOMI ** ENDE CLLLK 12/11 Feedliack I give up! Feedback: 0% deduction per feedback. 2.0 5.0 10.0 B₂-B₁ 3.0 dB 7.0 dB 10.0 dB Otheexpertta.com Grade Summary Deductions Potential 0.5 100% Submissions Attempts remaining: 5 (5% per attempt) detailed view