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 33 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
YES! Correct, THANKS for helping me on my review

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Land mass looks like a synapse Land mass looks like a synapse
The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Air-Mass Thunderstorms Air-Mass Thunderstorms
Fornax Galaxy Cluster Fornax Galaxy Cluster
Earth 340 Million Years Ago Earth 340 Million Years Ago
Solar eclipse jk drawing Solar eclipse jk drawing
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library