Author Question: The closest star to the Sun is named _______________. a. Proxima Centauri b. Sol c. Jupiter d. ... (Read 18 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
The closest star to the Sun is named _______________.
 a. Proxima Centauri
  b. Sol
  c. Jupiter
  d. Polaris

Question 2

If two protons are moved 3 times closer together, the electrical force between them is what factor of the original force?



LP

  • Sr. Member
  • ****
  • Posts: 302
Answer to Question 1

a

Answer to Question 2

9 times greater



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library