« previous next »

Author Question: If the Earth's rotational axis were to be perpendicular to the ecliptic, seasonal variations on the ... (Read 92 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jul 27, 2018
If the Earth's rotational axis were to be perpendicular to the ecliptic, seasonal variations on the Earth would
 
  a. be non-existent.
  b. remain the same as they are at now.
  c. have the same severity but each season would last twice as long.
  d. be much more severe.

Question 2

What is the total mass of a binary star system with P = 20 yr and a = 10 AU?
 
  a. 2 solar masses
  b. 2.5 solar masses
  c. 0.5 solar mass
  d. 80 solar masses
  e. 0.4 solar mass


Jane

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the
Earth Affects People; People Change Earth Earth Affects People; People Change Earth
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
Heaven or earth? Heaven or earth?
Earth’s orientation Earth’s orientation
How to horizontally shift a quadratic function along the x-axis How to horizontally shift a quadratic function along the x-axis
Video: Biological organic compounds

For a complete list of videos, visit our video library