Homework Answers
use the relation between power and intensity to find the
required distance at which the siren can be heard as shown
below
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1 Review The sound intensity 53.0 m from a wailing tornado siren is 0.200 W/m² Part...
Constants 1 Periodic Ta The sound intensity 60.0 m from a waling tomado sienis 0.130 W/m...
Constants 1 Periodic Ta The sound intensity 60.0 m from a waling tomado sienis 0.130 W/m . Part A What is the intensity 1400 m ? Express your answer with the appropriate units Value Units Submit Previous Awes Best * Incorrect; Try Again: 9 attempts remaining - Part B W/m. Estimate the maimum distance at which he siren can be heard The weakest intensity likely to be heard over background noise is Express your answer with the appropriate units.
KHW16 Item 13 The sound intensity 44.0 m from a wailing tornado siren is 0.150 W/m2...
KHW16 Item 13 The sound intensity 44.0 m from a wailing tornado siren is 0.150 W/m2 Part A What is the intensity at 1300 m ? Express your answer with the appropriate units alue Units Submit
CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound...
CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound wave of intensity 3.8x10-8 W/m2 Express your answer to two significant figures and include the appropriate units. - Value Unis Units Submit Request Answer Part B What is the sound intensity level for sound wave of intensity 3.8x10-2 W/m2 ? Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback
CH 16 Traveling Waves Problem 16.40 Review Part A The sound intensity level 5.0 m from...
CH 16 Traveling Waves Problem 16.40 Review Part A The sound intensity level 5.0 m from a large power saw is 100 dB At what distance will the sound be a more tolerable 80 dB? Express your answer to two significant figures and include the appropriate units. RValue Units Submit Request Answer Provide Feedback
Part A W /m What is the sound level of a sound whose intensity is 5.5...
Part A W /m What is the sound level of a sound whose intensity is 5.5 x 10" W/m ? The Intensity of the reference level required to determine the sound level is 1.0 x 10 Express your answer to two significant figures and include the appropriate units. " OO 8 - Value Units
PH1123-01, Spring 19 <12.1: Sound and Its Intensity Problem 12.13 Constants Part A One CD player...
PH1123-01, Spring 19 <12.1: Sound and Its Intensity Problem 12.13 Constants Part A One CD player is said to have a signal-to-noise ratio of 84 dB, whereas for a second CD playor it is 97 dB What is the ratio of intensities of the signal and the background noise for the first device? Express your answer using two signiflcant fnigures Submit Request Answer Part B What is the ratio of intenisites of the signal and the background nolse for the...
Part A W/m What is the sound level of a sound whose intensity is 5.5 x...
Part A W/m What is the sound level of a sound whose intensity is 5.5 x 10 W/m ? The intensity of the reference level required to determine the sound level is 10 x 10 Express your answer to two significant figures and include the appropriate units. 8 = Value Units
Part A What is the sound level of a sound whose intensity is 4.5 x 10...
Part A What is the sound level of a sound whose intensity is 4.5 x 10 W/m2? The intensity of the reference level required to determine the sound level is 1.0 x 10-12 W/m? Express your answer to two significant figures and include the appropriate units. B Value Units Submit My Answers Give Up
M Review At the instant A = 50, the boy's center of mass G is momentarily...
M Review At the instant A = 50, the boy's center of mass G is momentarily at rest. (Figure 1) Determine his speed when A = 85. The boy has a weight of 75 lb . Neglect his size and the mass of the seat and cords. Express your answer to three significant figures and include the appropriate units. HÅR O a? v= Value Units Figure 1 of 1 > Submit Request Answer 10 ft Part B Determine the tension...
n Review Id During takeoff, the sound intensity level of a jet engine is 150 dB...
n Review Id During takeoff, the sound intensity level of a jet engine is 150 dB at a distance of 22 m. Part A What is the sound intensity level at a distance of 1.0 km? Express your answer to two significant figures and include the appropriate units. НА ? B = 253.7 dB Submit Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining
Constants 1 Periodic Ta The sound intensity 60.0 m from a waling tomado sienis 0.130 W/m . Part A What is the intensity 1400 m ? Express your answer with the appropriate units Value Units Submit Previous Awes Best * Incorrect; Try Again: 9 attempts remaining - Part B W/m. Estimate the maimum distance at which he siren can be heard The weakest intensity likely to be heard over background noise is Express your answer with the appropriate units.
KHW16 Item 13 The sound intensity 44.0 m from a wailing tornado siren is 0.150 W/m2 Part A What is the intensity at 1300 m ? Express your answer with the appropriate units alue Units Submit
CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound wave of intensity 3.8x10-8 W/m2 Express your answer to two significant figures and include the appropriate units. - Value Unis Units Submit Request Answer Part B What is the sound intensity level for sound wave of intensity 3.8x10-2 W/m2 ? Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback
CH 16 Traveling Waves Problem 16.40 Review Part A The sound intensity level 5.0 m from a large power saw is 100 dB At what distance will the sound be a more tolerable 80 dB? Express your answer to two significant figures and include the appropriate units. RValue Units Submit Request Answer Provide Feedback
Part A W /m What is the sound level of a sound whose intensity is 5.5 x 10" W/m ? The Intensity of the reference level required to determine the sound level is 1.0 x 10 Express your answer to two significant figures and include the appropriate units. " OO 8 - Value Units
PH1123-01, Spring 19 <12.1: Sound and Its Intensity Problem 12.13 Constants Part A One CD player is said to have a signal-to-noise ratio of 84 dB, whereas for a second CD playor it is 97 dB What is the ratio of intensities of the signal and the background noise for the first device? Express your answer using two signiflcant fnigures Submit Request Answer Part B What is the ratio of intenisites of the signal and the background nolse for the...
Part A W/m What is the sound level of a sound whose intensity is 5.5 x 10 W/m ? The intensity of the reference level required to determine the sound level is 10 x 10 Express your answer to two significant figures and include the appropriate units. 8 = Value Units
Part A What is the sound level of a sound whose intensity is 4.5 x 10 W/m2? The intensity of the reference level required to determine the sound level is 1.0 x 10-12 W/m? Express your answer to two significant figures and include the appropriate units. B Value Units Submit My Answers Give Up
M Review At the instant A = 50, the boy's center of mass G is momentarily at rest. (Figure 1) Determine his speed when A = 85. The boy has a weight of 75 lb . Neglect his size and the mass of the seat and cords. Express your answer to three significant figures and include the appropriate units. HÅR O a? v= Value Units Figure 1 of 1 > Submit Request Answer 10 ft Part B Determine the tension...
n Review Id During takeoff, the sound intensity level of a jet engine is 150 dB at a distance of 22 m. Part A What is the sound intensity level at a distance of 1.0 km? Express your answer to two significant figures and include the appropriate units. НА ? B = 253.7 dB Submit Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining
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