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 87 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
:D TYSM

bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

A noose hanging from a “Liberty Tree” reveals this artist’s bias: The “tar-and-feathering” of a Brit A noose hanging from a “Liberty Tree” reveals this artist’s bias: The “tar-and-feathering” of a Brit
Change in air temperature at various air flow rates for a 4 pass operation Change in air temperature at various air flow rates for a 4 pass operation
Elaboration Likelihood Model of Attitude Change Elaboration Likelihood Model of Attitude Change
Pi molecular orbital system of PLP-amino acid Schiff base Pi molecular orbital system of PLP-amino acid Schiff base
Tree rings as indicators of environmental change Tree rings as indicators of environmental change
The Impact of Climate Change in the world The Impact of Climate Change in the world
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library