This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The source of the earth's magnetic field is thought to be due to the motion of charged particles in ... (Read 30 times)

jace

  • Hero Member
  • *****
  • Posts: 541
on: Jul 27, 2018
The source of the earth's magnetic field is thought to be due to the motion of charged particles in the earth's
 
  A) mantle.
  B) crust.
  C) inner core.
  D) outer core.
  E) mantle & crust.

Question 2

How long does it take a wheel that is rotating at 33.3 rpm to speed up to 78.0 rpm if it has an angular acceleration of 2.15 rad/s2?
 
  A) 20.8 s
  B) 4.75 s
  C) 10.4 s
  D) 2.18 s
  E) 5.20 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AngeliqueG

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


jace

  • Hero Member
  • *****
  • Posts: 541
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


AngeliqueG

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Annual net primary productivity on Earth. Annual net primary productivity on Earth.
Apparent motion of Alpha Centauri relative to Beta Centauri Apparent motion of Alpha Centauri relative to Beta Centauri
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Mixed dishes such as hamburgers and pizza are a major source of solid fats in the diets of Americans Mixed dishes such as hamburgers and pizza are a major source of solid fats in the diets of Americans
Nuts are also a good source of dietary fibre Nuts are also a good source of dietary fibre
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library