Author Question: Asteroid 433 Eros is one of the largest near-Earth asteroids. For purposes of this problem, assume ... (Read 63 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
Asteroid 433 Eros is one of the largest near-Earth asteroids. For purposes of this problem, assume it is spherical. The value of g at its surface is 0.0060 m/s2 and the escape velocity is only 10.1 m/s. What is the mass of Eros? G = 6.
 
  67 x 10-11 Nm2/kg2. A) 2.3  1016 kg
  B) 3.5  1012 kg
  C) 6.5  1015 kg
  D) 4.9  1014 kg
  E) 6.7  1013 kg

Question 2

A transformer has a turns ratio of 10. The primary voltage and current are 120. volts and 20. Amperes. (a) What is the primary impedance (ratio of primary voltage to current)? (b) What is the secondary impedance?
 
  What will be an ideal response?



ultraflyy23

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

C

Answer to Question 2

(a) 6.0 ohms
(b) 0.60 K



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library