« previous next »

Author Question: The allowed shapes for orbits under the force of gravity are A) ellipses only. B) ellipses and ... (Read 32 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
on: Jul 27, 2018
The allowed shapes for orbits under the force of gravity are
 
  A) ellipses only.
  B) ellipses and spirals.
  C) ellipses, parabolas, and hyperbolas.
  D) ellipses, spirals, and parabolas.
  E) spirals, circles, and squares.

Question 2

If we represent the Milky Way Galaxy as the size of a grapefruit (10-cm diameter), the distance to the Andromeda Galaxy would be about
 
  A) 10 cm.
  B) 3 m.
  C) 30 m.
  D) 1 km.
  E) 100 km.


kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Molecular Shapes Molecular Shapes
Shapes of cells found in the brain. Shapes of cells found in the brain.
How our participation in social groups shapes our self-concept is a focus of symbolic ... How our participation in social groups shapes our self-concept is a focus of symbolic ...
Various bone shapes. Various bone shapes.
Testing muscle strength using opposing force Testing muscle strength using opposing force
Statistics Canada, Labour Force Survey Statistics Canada, Labour Force Survey
Video: Inflammatory response Animation

For a complete list of videos, visit our video library