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 180 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
:D TYSM

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

The thermodynamics of protein folding depicted as a free-energy funnel The thermodynamics of protein folding depicted as a free-energy funnel
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
Air Mass Thunderstorms Air Mass Thunderstorms
Contributions to the free energy of folding of globular proteins Contributions to the free energy of folding of globular proteins
Canada Total Energy Consumption by Fuel Type Canada Total Energy Consumption by Fuel Type
The oceans continue to absorb most of the excess energy trapped by greenhouse gases The oceans continue to absorb most of the excess energy trapped by greenhouse gases
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library