Chemistry, 13.11.2020 16:30 sahaitong2552
A music performance takes place in an enclosed arena. A person sitting a distance of 20.0 m from the speaker experiences a sound intensity of 0.32 W/m2. What is the power of the speaker? (Assume that the area over which the speaker transmits sound is given by A = 4πd2, where d is the distance from the speaker.)
A.
100 W
B.
550 W
C.
1,200 W
D.
1,600 W
Answers: 2
Other questions on the subject: Chemistry
Chemistry, 21.06.2019 18:30, tiwaribianca475
What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
Answers: 2
Chemistry, 21.06.2019 19:00, thebrain1345
Plz me get these answer dubble cheak ur answer plz ppl i need it right
Answers: 2
Chemistry, 21.06.2019 21:10, cordovamaria22
Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.
Answers: 1
You know the right answer?
A music performance takes place in an enclosed arena. A person sitting a distance of 20.0 m from the...
Questions in other subjects:
Physics, 29.10.2020 23:40
Mathematics, 29.10.2020 23:40
English, 29.10.2020 23:40
History, 29.10.2020 23:40
Geography, 29.10.2020 23:40
