Physics, 14.09.2019 08:30 keigleyhannah30

Aconcert loudspeaker suspended high off the ground emits 31 w of sound power. a small microphone with a 1.0 cm^2 area is 42 m from the speaker. what is the sound intensity at the position of the microphone? (include units)
what is the sound intensity level at the position of the microphone? (in db)

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 17:20, student0724

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?

Answers: 1

continue

Physics, 22.06.2019 07:30, luckylady

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20

Answers: 1

continue

Physics, 22.06.2019 09:30, looloo273

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

Answers: 2

continue

Physics, 22.06.2019 09:40, goofy44

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

Answers: 3

continue

You know the right answer?

Aconcert loudspeaker suspended high off the ground emits 31 w of sound power. a small microphone wit...