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 31 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

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Anatomically modern humans from the Israeli cave sites of Skhul and Qafzeh may be the earliest found Anatomically modern humans from the Israeli cave sites of Skhul and Qafzeh may be the earliest found
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Relation between form, particular objects, and images in Plato’s Line. Relation between form, particular objects, and images in Plato’s Line.
When young infants hold objects for a long period of time they eventually become habituated to them. When young infants hold objects for a long period of time they eventually become habituated to them.
Standard Medical Record and Types of Reports Found in Record Standard Medical Record and Types of Reports Found in Record
Two objects in a pulley on an inclined plane Two objects in a pulley on an inclined plane
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library