subject
Physics, 30.11.2019 04:31 lilxlawney

Aspeaker at an open-air concert emits 700 w of sound power, radiated equally in all directions. earplugs you can buy in the drugstore have a noise reduction rating of 23 decibels.
if you are wearing those earplugs but your friend phil is not, how far from the speaker should phil stand to experience the same loudness as you?
express your answer to two significant figures and include the appropriate units.

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 23:00
How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return
Answers: 1
question
Physics, 21.06.2019 23:30
Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?
Answers: 1
question
Physics, 22.06.2019 07:30
Which of the following is an example of motion in two dimensions?
Answers: 3
question
Physics, 22.06.2019 08:30
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
Answers: 3
You know the right answer?
Aspeaker at an open-air concert emits 700 w of sound power, radiated equally in all directions. earp...
Questions
Questions on the website: 13722367