This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The following objects are found in a spiral arm of a galaxy. Which is the exception? a. ... (Read 39 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Jul 27, 2018
The following objects are found in a spiral arm of a galaxy. Which is the exception?
 
  a. population II stars
 b. OB associations
 c. emission nebulae
 d. population I stars
 e. clouds of gas and dust

Question 2

If the orbital velocity of the Moon is 1.0 km/s, what is the orbital velocity of a satellite that is 1/16th as far from Earth as the Moon? Hints: There is a long way and a short way to do this calculation. ; G = 6.67 10-11 m3/s2/kg
 
  a. 1/16 km/s
  b. 1/8 km/s
 c. 4 km/s
 d. 8 km/s
 e. 16 km/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

iceage

  • Guest
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

c


stock

  • Member
  • Posts: 573
Reply 2 on: Jul 27, 2018
Excellent

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

The yellow-winged darter, Sympetrum flaveolum, is a dragonfly found in Europe and mid and Northern C The yellow-winged darter, Sympetrum flaveolum, is a dragonfly found in Europe and mid and Northern C
The Indian palm squirrel is the most common type of squirrel found in India. The Indian palm squirrel is the most common type of squirrel found in India.
A Dwarf Elliptical Galaxy A Dwarf Elliptical Galaxy
A spider from the genus Selenops, which have been found to be able to glide thro A spider from the genus Selenops, which have been found to be able to glide thro
How to analyze trends found in graphs How to analyze trends found in graphs
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library