« previous next »

Author Question: The cooling effect in a refrigerator is produced by _____. a. the electric motor which essentially ... (Read 72 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?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Reading and Writing Disorders Produced by Brain Damage Reading and Writing Disorders Produced by Brain Damage
The Effect of Group Size on Relationships The Effect of Group Size on Relationships
A typical engine-driven cooling fan. A typical engine-driven cooling fan.
The effect of thermal expansion The effect of thermal expansion
The Longevity of Motor Skills The Longevity of Motor Skills
Laboratory-Produced Protocells Laboratory-Produced Protocells
Video: How antibiotics works? 💊

For a complete list of videos, visit our video library