subject
Physics, 01.03.2021 22:30 lulu123r

A sound wave passes through an area of 5.5 m Square with an intensity of 7.2 x 10 exp-5 W/m square. What is the power of this sound ? 1- P = 396 x 10 exp -8 W
2- P = 3.96 x 10 exp -4 W
3- P = 39.6 x 10 exp -9 W
4- P = 0.38 x 10 exp -3 W

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 18:00
Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs
Answers: 1
question
Physics, 21.06.2019 18:00
This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical
Answers: 2
question
Physics, 22.06.2019 01:30
The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation
Answers: 2
question
Physics, 22.06.2019 07:00
Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?
Answers: 1
You know the right answer?
A sound wave passes through an area of 5.5 m Square with an intensity of 7.2 x 10 exp-5 W/m square....
Questions
question
Mathematics, 06.11.2020 20:00
question
Chemistry, 06.11.2020 20:00
question
Biology, 06.11.2020 20:00
question
Mathematics, 06.11.2020 20:00
question
Mathematics, 06.11.2020 20:00
question
Business, 06.11.2020 20:00
Questions on the website: 13722363