Author Question: How do we know the mass of Neptune? A) the period and size of Neptune's orbit around the Sun B) ... (Read 67 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
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
Answer to Question 1

E

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

For a complete list of videos, visit our video library