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Author Question: The howler monkey is the loudest land animal and, under some circumstances, can be heard up to a ... (Read 58 times)

fox

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on: Jul 29, 2018
The howler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 8.9 km. Assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0  10-12 W/m2.
 
  A juvenile howler monkey has an acoustic output of 63 W. What is the ratio of the acoustic intensity produced by the juvenile howler to the reference intensity I0, at a distance of 210 m? A) 110
  B) 230
  C) 76
  D) 170
  E) 300

Question 2

Write out the number 7.35  10-5 in full with a decimal point and correct number of zeros.
 
  A) 0.00000735 B) 0.0000735 C) 0.000735 D) 0.00735 E) 0.0735


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al

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


fox

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

okolip

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Reply 3 on: Yesterday
:D TYSM

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