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

Author Question: Which would require the greater change in a satellite's orbital speed (8 km/s); slowing down so it ... (Read 130 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
on: Jul 29, 2018
Which would require the greater change in a satellite's orbital speed (8 km/s); slowing down so it crashes into Earth, or speeding up so it escapes Earth?
 
  A) slowing down
  B) speeding up
  C) same each way
  D) need more information

Question 2

Which would require the greater energy; slowing the orbital speed of a satellite so it crashes into Earth, or increasing the orbital speed so it escapes Earth?
 
  A) slowing down
  B) speeding up
  C) same each way


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


futuristic

  • Member
  • Posts: 638
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

OSHA regulations require the use of sharps containers to discard used needles. OSHA regulations require the use of sharps containers to discard used needles.
Climate change affects organisms and ecosystems Climate change affects organisms and ecosystems
Climate Change: Greenhouse gases Timescale Climate Change: Greenhouse gases Timescale
The change in the net of an irradiance, in Wm-2, at the tropopause The change in the net of an irradiance, in Wm-2, at the tropopause
Epigenetic changes to DNA, such as methylation, change patterns of gene expression by activating or Epigenetic changes to DNA, such as methylation, change patterns of gene expression by activating or
Change in the frequency of a lethal recessive allele, a Change in the frequency of a lethal recessive allele, a
Video: Deglutition

For a complete list of videos, visit our video library