To develop this problem it is necessary to apply the concepts related to Sound Intensity.
By definition the intensity is given by the equation
Where,
I = Intensity of Sound
= Intensity of Reference
At this case we have that 15 engines produces 15 times the reference intensity, that is
And the total mutual intensity is 100 dB, so we should
Therefore each one of these engines produce D. 88dB.
Can't
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Answer:
40.53 kg
Explanation:
Juggles 's mass = Mj
Bangles 's mass = 70 kg
Potential Energy is the Energy that an object gets due to its height of location
<em>Potential Energy = mass * gravitational acceleration * height</em>
Juggeles' s Potential Energy = Bangles potential energy
Mj * g * 3.8 = 70 * g * 2.2
Mj = 40.53 kg
Answer:
Amplitude
Explanation:
The lower the amplitude, the lower the frequency.
