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

Author Question: To estimate the distance in kilometers of a flash of lightning, count the number of seconds between ... (Read 56 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 29, 2018
To estimate the distance in kilometers of a flash of lightning, count the number of seconds between seeing the flash and hearing the accompanying thunder, then divide by
 
  A) 2.
  B) 3.
  C) 4.
  D) 5.
  E) none of the above

Question 2

The speed of a sound wave in air depends on
 
  A) its frequency.
  B) its wavelength.
  C) air temperature.
  D) all of the above
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 29, 2018
Thanks


cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Polar bears feed upon a number of marine mammals. They are currently at the centre of international Polar bears feed upon a number of marine mammals. They are currently at the centre of international
Grace Service, a YMCA missionary, explained that these porters worked at the base of Mount Omei in S Grace Service, a YMCA missionary, explained that these porters worked at the base of Mount Omei in S
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
How to write any number in scientific notation How to write any number in scientific notation
Type of Interactions, Model, Examples and Dependence of Energy on Distance Type of Interactions, Model, Examples and Dependence of Energy on Distance
Chromosome Number in Selected Animal Species Chromosome Number in Selected Animal Species
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library