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 115 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
YES! Correct, THANKS for helping me on my review

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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
The coupling of reactions in energy transfer. The coupling of reactions in energy transfer.
Energy profile of anaerobic glycolysis Energy profile of anaerobic glycolysis
Energy Resources range from inexhaustible to nonrenewable Energy Resources range from inexhaustible to nonrenewable
Renewable Energy Sources Globally Renewable Energy Sources Globally
Mixing alcohol with caffeinated energy drinks can have dangerous consequences Mixing alcohol with caffeinated energy drinks can have dangerous consequences
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library