The intensity level of a "Super-Silent" power lawn mower at a distance of 1.0 m is 100 dB. You wake up one morning to find that four of your neighbors are all mowing their lawns using identical "Super-Silent" mowers. When they are each 20 m from your open bedroom window, what is the intensity level of the sound in your bedroom? You can neglect any absorption, reflection, or interference of the sound. The lowest detectable intensity is 1.0 × 10 -12 W/m 2.
Answers: 2
Physics, 21.06.2019 22:30
Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
Answers: 1
Physics, 22.06.2019 05:00
Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?
Answers: 2
The intensity level of a "Super-Silent" power lawn mower at a distance of 1.0 m is 100 dB. You wake...
Mathematics, 10.09.2021 01:00
Spanish, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00
Computers and Technology, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00
Mathematics, 10.09.2021 01:00