A) It increases B) It does not change. C) It changes, but it is impossible to te

Question

A) It increases B) It does not change. C) It changes, but it is impossible to tell which way. D) It decreases 4.6 km. Assume 3) The howler monkey is the loudest land animal and can be heard up to a tanh the intensity which the intensity th level of a howler's call is 46 dB, in SI units, is closest to: e acoustic output of a howler to be uniform in all directions. The distance at E) 39 A) 46 B) 23 C) 35 D) 28 4) constant is 1 on a horizontal frictionless surface is attached to a spring whose force co ihrium position at x0 m to a displacement t hirmonic motion along the

Explanation / Answer

b = 10 log (I/Io)

I = P/A

A is surface area of sound propagation, that's a sphere area = 4r²

I = P/(4 r²)

Io = P/(4 ro²)

b = 10 log {P/(4 r²)/(P/(4 ro²))}

b = 20 log (ro/r)

46 = 20 log (4600/r)

r = 46 m

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