Author Question: What type of galaxy was observed by Tully and Fisher? ... (Read 16 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
What type of galaxy was observed by Tully and Fisher?

Question 2

A long solenoid with closely spaced turns carries electric current. Each turn of wire exerts:
  1.an attractive force on the next adjacent turn.
  2.a repulsive force on the next adjacent turn.
  3.zero force on the next adjacent turn.
  4.either an attractive or a repulsive force on the next turn, depending on the direction of current in the solenoid.



choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

A spiral galaxy.

Answer to Question 2

1



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

fahad

  • Hero Member
  • *****
  • Posts: 570
Both answers were spot on, thank you once again



choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Great! Please up vote :D



 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

For a complete list of videos, visit our video library