« previous next »

Author Question: The escape velocity at the event horizon around a black hole is a. smaller than the speed of ... (Read 115 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
The escape velocity at the event horizon around a black hole is
 
  a. smaller than the speed of light.
  b. equal to the speed of light.
  c. much larger than the speed of light.
  d. irrelevant since nothing (including light) can escape from a black hole.

Question 2

_________________ absorbs most infrared and microwaves coming from outside Earth's atmosphere.
 
  Fill in the blank(s) with correct word


tandmlomax84

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

Water vapor


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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?

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

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Higgs Event Higgs Event
Black Raspberry Black Raspberry
Speed of Convergence to the Steady State Speed of Convergence to the Steady State
Black Truffles Black Truffles
Find the final velocity of the object Find the final velocity of the object
A ship is being pulled through a harbor at constant velocity by two tugboats as shown in the ... A ship is being pulled through a harbor at constant velocity by two tugboats as shown in the ...
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library