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Author Question: A howler monkey is the loudest land animal and, under some circumstances, can be heard up to a ... (Read 79 times)

haleyc112

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on: Jul 29, 2018
A howler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 5.0 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.
 
  The acoustic power emitted by the howler is closest to A) 0.31 mW.
  B) 0.11 mW.
  C) 1.1 mW.
  D) 3.2 mW.
  E) 11 mW.

Question 2

Compared with the huge force that attracts an iron tack to a strong magnet, the force that the tack exerts on the magnet is
 
  A) relatively small.
  B) equally huge.
  C) not enough information


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shaquita

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

A

Answer to Question 2

Answer: B


haleyc112

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Reply #2 on: Jul 29, 2018
TY


shaquita

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Reply #3 on: Jul 29, 2018
You're welcome


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