This topic contains a solution. Click here to go to the answer

Author Question: You observe a star very similar to our own Sun in size and mass. This star moves very slightly back ... (Read 70 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
You observe a star very similar to our own Sun in size and mass. This star moves very slightly back and forth in the sky once every 4 months, and you attribute this motion to the effect of an orbiting planet.
 
  What can you conclude about the orbiting planet?
  A) The planet must be closer to the star than Earth is to the Sun.
  B) The planet must be farther from the star than Neptune is from the Sun.
  C) The planet must have a mass about the same as the mass of Jupiter.
  D) You do not have enough information to say anything at all about the planet.

Question 2

How are wavelength, frequency, and energy related for photons of light?
 
  A) Longer wavelength means higher frequency and lower energy.
  B) Longer wavelength means lower frequency and lower energy.
  C) Longer wavelength means lower frequency and higher energy.
  D) Longer wavelength means higher frequency and higher energy.
  E) There is no simple relationship because different photons travel at different speeds.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

6ana001

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

A

Answer to Question 2

B





 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library