Physics, 19.12.2019 00:31 tiarabivens0
The intensity level of a power mower at a distance of 1.0 m is 100 db. you wake up one morning to find that four of your neighbors are mowing their lawn 20 m from your open bedroom window. what is the intensity level in your bedroom? the intensity level of a power mower at a distance of 1.0 m is 100 db. you wake up one morning to find that four of your neighbors are mowing their lawn 20 m from your open bedroom window. what is the intensity level in your bedroom?
a. 50 db
b. 400 db
c. 104 db
d. 80 db
e. 40 db
Answers: 2
Physics, 22.06.2019 01:00, jayycruz59
An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
Answers: 2
Physics, 22.06.2019 10:30, legendman27
You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.
Answers: 3
Physics, 22.06.2019 11:00, zhjzjzzj6325
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
Answers: 3
The intensity level of a power mower at a distance of 1.0 m is 100 db. you wake up one morning to fi...
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