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

Author Question: The mass of the Milky Way galaxy is a few ____. a. million solar masses b. hundreds of millions ... (Read 31 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
The mass of the Milky Way galaxy is a few ____.
 
  a. million solar masses
 b. hundreds of millions of solar masses
  c. billion solar masses
 d. hundreds of billions of solar masses
  e. trillion solar masses

Question 2

The radius of Earth is 6,378 km. The force of gravity on a 1 kg ball at Earth's surface is 9.8 kg m/s2 . What is the force of gravity on this same ball when the ball is located 12,756 km from Earth's center? Hint: G = 6.67 10-11 m3/s2/kg
 
  a. 2.45 kg m/s2
  b. 4.9 kg m/s2
 c. 9.8 kg m/s2
 d. 19.6 kg m/s2
  e. 39.2 kg m/s2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shoemake

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

a


urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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.

For millions of people, the United States represents a land of opportunity and freedom from ... For millions of people, the United States represents a land of opportunity and freedom from ...
The sensing wire in a typical hot wire mass air flow sensor. The sensing wire in a typical hot wire mass air flow sensor.
Continental Polar (cP) and Continental Arctic (cA) Air Masses Continental Polar (cP) and Continental Arctic (cA) Air Masses
Solar power in Nunavut Solar power in Nunavut
Mass Wasting Forms Mass Wasting Forms
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library