« previous next »

Author Question: The semi major axis of an ellipse is a. the ratio of the longest diameter of the ellipse to that ... (Read 158 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
The semi major axis of an ellipse is
 
  a. the ratio of the longest diameter of the ellipse to that of the shortest diameter of the ellipse.
  b. half the length of the shortest diameter of the ellipse.
  c. half the length of the longest diameter of the ellipse.
  d. the distance between the two foci of the ellipse.
  e. the ratio of the distance between the two foci to the length of half the longest diameter of the ellipse.

Question 2

The free-fall contraction of a molecular cloud
 
  a. can be initiated by shock waves from supernovae.
  b. can be initiated by nearby spectral type G stars.
  c. can be initiated by the rotation of the cloud.
  d. causes the cloud to become transparent to ultraviolet radiation.
  e. causes the particles in the cloud to decrease the speed with which they move.


onowka

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Teres Major & Teres Minor Teres Major & Teres Minor
Major Diagnostic Categories of Mental Disorders Cont Major Diagnostic Categories of Mental Disorders Cont
Finding the angle from a ratio (Part 1) Finding the angle from a ratio (Part 1)
semi-ellipse semi-ellipse
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
Determine m​, ​n, and i for money invested at 3.6​% compounded semi-annually for 3.5 ... Determine m​, ​n, and i for money invested at 3.6​% compounded semi-annually for 3.5 ...
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library