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 116 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

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

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

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

The tenuous atmosphere of Mars, visible on the horizon in this low-orbit photo The tenuous atmosphere of Mars, visible on the horizon in this low-orbit photo
The Mass-Luminosity Relation The Mass-Luminosity Relation
Kinetic Energy Kinetic Energy
Air-Mass Thunderstorms Air-Mass Thunderstorms
Ayurvedic massage. Sliding circles at the seat of Vata, recipient in side-lying position. Ayurvedic massage. Sliding circles at the seat of Vata, recipient in side-lying position.
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library