Author Question: Three objects of masses 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0.0 m, 0.0 m), (1.0 m, 1.0 m), ... (Read 5 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525
Three objects of masses 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0.0 m, 0.0 m), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of this system?
 
  A) (1.3 m, 0.67 m)
  B) (1.3 m, -0.67 m)
  C) (-1.3 m, 0.67 m)
  D) (-1.3 m, -0.67 m)

Question 2

What other force balances the downward pull of gravity on a NASA satellite while it is in orbit around Earth?
 
  A) The velocity.
  B) Centrifugal force.
  C) The acceleration.
  D) A balancing force is not needed because gravity doesn't act on the satellite.
  E) There is no balancing force--gravity is the only force on the satellite.



livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

For a complete list of videos, visit our video library