Author Question: A satellite is in a circular orbit about the Earth at an altitude at which air resistance is ... (Read 163 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
A satellite is in a circular orbit about the Earth at an altitude at which air resistance is negligible. Which of the following statements is true?
 a. There is only one force acting on the satellite. b. There are two forces acting on the satellite, and their resultant is zero.
  c. There are two forces acting on the satellite, and their resultant is not zero.
  d. There are three forces acting on the satellite. e. None of the preceding statements are correct.

Question 2

A 50-kg satellite circles planet Cruton every 5.6 h in an orbit with a radius of 12  106 m. What is the magnitude of the gravitational force on the satellite by planet Cruton?
 a. 63 N
  b. 58 N
  c. 68 N
  d. 73 N
  e. 50 N



stallen

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library