« previous next »

Author Question: The cooling effect in a refrigerator is produced by _____. a. the electric motor which essentially ... (Read 78 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
on: Jul 28, 2018
The cooling effect in a refrigerator is produced by _____.
 a. the electric motor which essentially converts electricity into heat
  b. compression of the refrigeration gas into a liquid
  c. liquefying the refrigeration gas
  d. vaporization of the refrigeration liquid
  e. proper insulation

Question 2

A satellite is in a circular orbit 600 km above the Earth's surface. The acceleration of gravity is 8.21 m/s2 at this altitude. The radius of the Earth is 6 400 km. Determine the speed of the satellite, and the time to complete one orbit around the Earth.


sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

7 580 m/s, 5 800 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
Reply #2 on: Jul 28, 2018
TY


sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Comparison of the radius of fruits produced by native and introduced species of Sapindaceae Comparison of the radius of fruits produced by native and introduced species of Sapindaceae
Effect of the chemical environment on pKa Effect of the chemical environment on pKa
Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction
Sensory, motor, interneuron, and effector Sensory, motor, interneuron, and effector
The function of the intrafusal motor neurons. The function of the intrafusal motor neurons.
The Dose-Effect Relationship, Showing (A) Drug Potency and (B) Drug Efficacy (Or Effectiveness) The Dose-Effect Relationship, Showing (A) Drug Potency and (B) Drug Efficacy (Or Effectiveness)
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library