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

Author Question: An object of mass m is on the surface of the Earth. The distance to the Sun and the Moon are dS and ... (Read 48 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
An object of mass m is on the surface of the Earth. The distance to the Sun and the Moon are dS and dM, and the masses of the Sun and Moon are MS and MM. What is the ratio of the gravitational force from the Sun to that of the Moon on the object?
 a. MSMM /dSdM
  b. MSMM /d2Sd2M
  c. MSd2M /MMd2M
  d. MMd2S /MSd2M

Question 2

A double-star system with each star having the mass of the Sun has an orbital period of 1 year. A second double star system, also with each star having the mass of the Sun, has an orbital period of 8 years. If the separation of the stars in the first system is d and the orbits in both cases are circular, what is the separation of the stars in the second system?
 a. 0.5d b. 2d
  c. 4d d. 8d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

krakiolit

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

c


tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


krakiolit

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

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?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

The Far Side of the Moon The Far Side of the Moon
Find the lateral area, total surface area, and volume of the frustum Find the lateral area, total surface area, and volume of the frustum
Place the infant faceup on a soft surface, such as a towel, and remove his or her clothing. With one ... Place the infant faceup on a soft surface, such as a towel, and remove his or her clothing. With one ...
Moon Moon
Mass Wasting Triggers Mass Wasting Triggers
The physician orders pemetrexed (Alimta) 500 mg/m2. The client’s body surface area is 2.14 ... The physician orders pemetrexed (Alimta) 500 mg/m2. The client’s body surface area is 2.14 ...
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library