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

Author Question: A spaceship of mass m circles a planet (mass = M) in an orbit of radius R. How much energy is ... (Read 162 times)

lidoalex

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
A spaceship of mass m circles a planet (mass = M) in an orbit of radius R. How much energy is required to transfer the spaceship to a circular orbit of radius 3R?
 a. GmM/(2R)
  b. GmM/(3R)
  c. GmM/(4R)
  d. GmM/(6R)
  e. 3GmM/(4R)

Question 2

An asteroid revolves around the Sun with a perihelion 0.5 AU and an aphelion of 7.5 AU. What is its period of revolution?
 a. 4 years
  b. 8 years
  c. 16 years
  d. 32 years
  e. 64 years


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


lidoalex

  • Member
  • Posts: 538
Reply 2 on: Jul 28, 2018
Gracias!

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Historical U.S. Energy Use Historical U.S. Energy Use
Ancient drawing of energy channels and acupoints. Ancient drawing of energy channels and acupoints.
Physics: Power, Energy and Time Physics: Power, Energy and Time
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Deafness Culture

For a complete list of videos, visit our video library