I ( dB) = 10 log ( I / 10^-12)
115 = 10 log ( I/ 10^-12)
I = 0.316 W/m^2
P/ ( 4 pi r^2) = 0.316
57 / (4*3.14* 0.316) = r^2
r = 42.5 m
=====
CHWK2-CH1S Problem 15.49 - Enhanced with Feedback Review1 Constants1 Perlodc Table 30 seconds of exposare to...
1 Review Constants Periodic Table 30 seconds of exposure to 115 dB sound can damage your hearing, but a much quieter 94 dB may begin to cause damage after 1 hour of continuous exposure. Part A You are going to an outdoor concert, and you'll be standing near a speaker that emits 43 W of acoustic power as a spherical wave. What minimum distance should you be from the speaker to keep the sound intensity level below 94 dB? Express...
Need help with this question please!
30 seconds of exposure to 115 dB sound carn damage your hearing, but a much quieter 94 dB may begin to cause damage after 1 hour of continuous exposure. You are going to an outdoor concert, and you'll be standing near a speaker that emits 47 W of acoustic power as a spherical wave. What minimum distance should you be from the speaker to keep the sound intensity level below 94 dB? Express your...
30 seconds of exposure to 115 dB sound can damage your hearing, but a much quieter 94 dE may begin to cause damage after 1 hour of continuous exposure. Part A You are going to an outdoor concert, and you'l be standing near a speaker that emits 56 W of acoustic power as a spherical wave. What minimum distance should you be from the speaker to keep the sound intensity level below 94 dB? Express your answer to two significant...
Item 6 Constants 1 Pelodic Table Part A 30 seconds of exposure to 115 dB sound can damage your hearing, but a much quieter 94 d may begis to cuse You are ging to an uo concert, and you'll bo standing near a seko that emts 50 W of acoustic power as a spherical wave What distance should you be bom the speakr to keep the sound intensiy lve bw 94 dp Express yor answer to two significan Sgures and...
KHW 20 Problem 25.4-Enhanced-with Feedback Review 1 Constants1 Periodic Table Part A The figure shows a 10-cm-long metal rod pulled along two trictionless, conducting rails at a constant speed of 4.0 m/s. The rails have negligible resistance, but the rod has a resistance of 0.75 12.(Figure 1) What is the current induced in the rod? Express your answer in amperes Figure 1 of 1 Submit Request Answer Part B B= 1.4 T What is the magnitude of the force required...
Using the book, write another paragraph or two: write 170
words:
Q: Compare the assumptions of physician-centered and
collaborative communication. How is the caregiver’s role different
in each model? How is the patient’s role different?
Answer: Physical-centered communication involves the specialists
taking control of the conversation. They decide on the topics of
discussion and when to end the process. The patient responds to the
issues raised by the caregiver and acts accordingly. On the other
hand, Collaborative communication involves a...