Review conceptual example 8 as background for this problem. a loudspeaker is generating sound in a room. at a certain point, the sound waves coming directly from the speaker (without reflecting from the walls) create an intensity level of 75.0 db. the waves reflected from the walls create, by themselves, an intensity level of 72.0 db at the same point. what is the total intensity level?
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Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 18:00
The photo shows sugar dissolved into a solution with excess sugar at the bottom of the jar this type of solution is classified as a. unsaturated b. compound c. saturated d. plasma
Answers: 1
Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
Answers: 2
Review conceptual example 8 as background for this problem. a loudspeaker is generating sound in a r...
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