This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A bat, flying at 5.00 m/s, emits a chirp at 40.0 kHz. If this sound pulse is reflected by a wall, ... (Read 27 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
on: Jul 28, 2018
A bat, flying at 5.00 m/s, emits a chirp at 40.0 kHz. If this sound pulse is reflected by a wall, what is the frequency of the echo received by the bat? (vsound = 340 m/s.)

Question 2

A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes 0.8 s for the wave to travel the 20 m to the opposite tower. If one meter of the rope has a mass of 0.35 kg, find the tension in the tightrope.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 28, 2018
Answer to Question 1

41.2 kHz

Answer to Question 2

219 N


cartlidgeashley

  • Member
  • Posts: 572
Reply 2 on: Jul 28, 2018
Excellent

pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Structure of cellulose, the main macromolecule of the primary cell wall Structure of cellulose, the main macromolecule of the primary cell wall
Layers of the Digestive Tract Wall Layers of the Digestive Tract Wall
Factors that Influence Pulse Rate Factors that Influence Pulse Rate
Measuring Radial Pulse Measuring Radial Pulse
Carotid pulse. Carotid pulse.
A solid concrete wall 4.0 m by 2.4 m and 30 cm thick, with a thermal conductivit A solid concrete wall 4.0 m by 2.4 m and 30 cm thick, with a thermal conductivit
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

For a complete list of videos, visit our video library