Mathematics, 28.01.2021 03:30 mandilynn22
he loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as L = 10 log StartFraction I Over I 0 EndFraction, where I 0 = 10 Superscript negative 12 and is the least intense sound a human ear can hear. Jessica is listening to soft music at a sound intensity level of 10-9 on her computer while she does her homework. Braylee is completing her homework while listening to very loud music at a sound intensity level of 10-3 on her headphones. How many times louder is Braylee’s music than Jessica’s?
Answers: 3
Mathematics, 21.06.2019 16:40, kokokakahi
Find the solutions for a triangle with a =16, c =12, and b = 63º
Answers: 3
Mathematics, 21.06.2019 18:30, Snowinvain
An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?
Answers: 1
he loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square met...
English, 13.04.2021 17:50
Chemistry, 13.04.2021 17:50
Mathematics, 13.04.2021 17:50
Mathematics, 13.04.2021 17:50