This topic contains a solution. Click here to go to the answer

Author Question: A howler monkey is the loudest land animal and, under some circumstances, can be heard up to a ... (Read 53 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shaquita

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

A

Answer to Question 2

Answer: B





 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library