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 72 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
Great answer, keep it coming :)

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Respiratory Assistive Devices, Pulse Oximeter Respiratory Assistive Devices, Pulse Oximeter
Pulse oximetry with the sensor probe applied securely, flush with skin, making sure that both sensor Pulse oximetry with the sensor probe applied securely, flush with skin, making sure that both sensor
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
Color mixtures of reflected pigment—subtractive process Color mixtures of reflected pigment—subtractive process
WALL PAINTING WITH HORSES, RHINOCEROSES, AND AUROCHS WALL PAINTING WITH HORSES, RHINOCEROSES, AND AUROCHS
Short-wavelength flux is reflected by Earth Short-wavelength flux is reflected by Earth
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library