« previous next »

Author Question: How do we know the mass of Neptune? A) the period and size of Neptune's orbit around the Sun B) ... (Read 80 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
How do we know the mass of Neptune?
 
  A) the period and size of Neptune's orbit around the Sun
  B) the orbital speed of Neptune moving around the Sun
  C) the size and density of Neptune
  D) the distance of Neptune from the Earth and its rotation period
  E) the periods and sizes of the orbits of the moons around Neptune

Question 2

The total energy radiated by a blackbody depends on
 
  A) the square of its temperature.
  B) the fourth power of its temperature.
  C) the fourth root of its temperature.
  D) the square root of its temperature.
  E) the cube of its temperature.


javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Electrospray mass spectrometry of a protein Electrospray mass spectrometry of a protein
Size comparison of Earth and Uranus Size comparison of Earth and Uranus
The Structure of an Old Low-Mass Star The Structure of an Old Low-Mass Star
Drag the labels to indicate the change in the size of the reservoir. . . Drag the labels to indicate the change in the size of the reservoir. . .
Embryonic Period - organogenesis Embryonic Period - organogenesis
Digital illustration of a fish that was believed to have become extinct during the Cretaceous Period Digital illustration of a fish that was believed to have become extinct during the Cretaceous Period
Video: Peptide Bond Formation Animation

For a complete list of videos, visit our video library