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 208 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?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri
Annual Mean Number of Days with Thunder Annual Mean Number of Days with Thunder
Lightning Casualties in the United States by Location or Activity Lightning Casualties in the United States by Location or Activity
How to count for the correct number of significant digits How to count for the correct number of significant digits
Number line (5 - 1) Number line (5 - 1)
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library