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

Author Question: A bat chirps to locate a tasty lunch. The chirp travels at 340 m/s and its echo is heard 1 s after ... (Read 270 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Jul 29, 2018
A bat chirps to locate a tasty lunch. The chirp travels at 340 m/s and its echo is heard 1 s after the chirp. Distance to the lunch is
 
  A) 85 m.
  B) 170 m.
  C) 340 m.

Question 2

Ultrasonic sound that travels at 1530 m/s in ocean water is bounced off the ocean floor and returns to the ship above. If the round trip takes 3 s, the depth of the water is
 
  A) 1530 m.
  B) 2295 m.
  C) 3060 m.
  D) 4590 m.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

poopface

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


stock

  • Hero Member
  • *****
  • Posts: 573
Reply #2 on: Jul 29, 2018
Thank you!


poopface

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Movement of a bolus of food from the mouth to the esophagus. The bolus then travels to the stomach. Movement of a bolus of food from the mouth to the esophagus. The bolus then travels to the stomach.
The chemical synapse. Step 1: The impulse travels down the axon. Step 2: Vesicles are stimulated to ... The chemical synapse. Step 1: The impulse travels down the axon. Step 2: Vesicles are stimulated to ...
A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ... A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ...
Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate
Main mechanism of carbon dioxide transport and exchange. A lesser amount of CO2 travels to the lungs Main mechanism of carbon dioxide transport and exchange. A lesser amount of CO2 travels to the lungs
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library