« previous next »

Author Question: The escape velocity at the event horizon around a black hole is a. smaller than the speed of ... (Read 117 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?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

This Black-browed Albatross has been hooked on a long-line. This Black-browed Albatross has been hooked on a long-line.
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction
The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
The digital image of a fetus shows a well-developed head and a comparatively smaller body. At 7 ... The digital image of a fetus shows a well-developed head and a comparatively smaller body. At 7 ...
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library