A family ice show is held at an enclosed arena. The skaters perform to music with level 81.0 dB. This level is too loud for your baby, who yells at 76.0 dB (a) What total sound intensity engulfs you? W/m² (b) What is the combined sound level? dB
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- A family ice show is held at an enclosed arena. The skaters perform to music with level 75.0 dB. This level is too loud for your baby, who yells at 70.0 dB (a) What total sound intensity engulfs you? ___ W/m2(b) What is the combined sound level? ___ dB1. (a) What is the intensity of a sound that has a level 7.5 dB lower than a 4.10-9 Intensity: W m² (b) What is the intensity of a sound that is 2 dB higher than a 4-10-⁹ Intensity: W m² W m² W m² sound? sound?A sound wave traveling in 22 °C air has a sound intensity of 25 × 10-3 W/m2 Part (a) Assuming the density of air at this temperature is 1.19 kg/m3, what is the pressure variation of this sound wave in N/m2? Part (b) Calculate the sound intensity level in decibels.
- please explainThe sound intensity of a conversation at a distance of 5.0 m is 1.7 x 10-7 W / m^2 . Determine the intensity at a distance of 7.0 m. Presume the sound spreads evenly in all directions.The sound level at a distance d=34 m from a loudspeaker is 70 dB. What is the power (in Watt) at which sound energy is being produced by the loudspeaker?. The threshold of hearing, lo = 1*10-12 W/m2, A. 0.5265 B. 0.3812 C. 0.1453 D. None E. 0.5812
- Problem #4: What sound intensity level in dB is produced by earphones that create an intensity of 4.00 x 10-2 W/m2? Problem #5: What is the intensity of a sound that has a level 7.00 dB lower than a 4.00 × 10–9 W/m2 sound? Problem #6: What is the intensity of a sound that is 3.00 dB higher than a 4.00 × 10–9 W/m2 sound? Problem #7: If a large housefly 3.0 m away from you makes a noise of 40.0 dB, what is the noise level of 1000 flies at that distance, assuming interference has a negligible effect?A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 71.0 dB. This intensity level is too loud for your baby, who yells at 63.0 dB. (a) What total sound intensity engulfs you? (b) What is the combined sound level?Hi there. Can someone walk me through this problem? Thank you. The African cicada is the world's loudest insect, producing a sound intensity level of 107 dB at a distance of 0.50 m. What is the intensity of its sound (in W/m2) as heard by someone standing 2.3 m away?