Author Question: The escape velocity at the event horizon around a black hole is a. smaller than the speed of ... (Read 100 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
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
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
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

For a complete list of videos, visit our video library