« 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 75 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?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Sexual dimorphism in body size and mating system. Sexual dimorphism in body size and mating system.
Estimating cicada population size and predation rates by birds. Estimating cicada population size and predation rates by birds.
A Coronal Mass Ejection A Coronal Mass Ejection
Mercury’s Orbit Explained by General Relativity Mercury’s Orbit Explained by General Relativity
Although males tend to be larger than females, the two overlap significantly in size. The size of a Although males tend to be larger than females, the two overlap significantly in size. The size of a
Embryonic Period - 3rd week Embryonic Period - 3rd week
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library