« previous next »

Author Question: Asteroid 433 Eros is one of the largest near-Earth asteroids. For purposes of this problem, assume ... (Read 69 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Solution to exponential problem Solution to exponential problem
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Problem Problem
Problem Problem
Earth 340 Million Years Ago Earth 340 Million Years Ago
Video: Transferring genes into plants Animation

For a complete list of videos, visit our video library