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

Author Question: Chemical rockets work on which basic physical principle? A) Kepler's first law of planetary ... (Read 53 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Jul 27, 2018
Chemical rockets work on which basic physical principle?
 
  A) Kepler's first law of planetary motion
  B) Einstein's special theory of relativity
  C) Newton's third law of motion
  D) the law of conservation of energy

Question 2

In order to have a global magnetic field, a planet must have
 
  A) an electrically conducting fluid in its interior which is undergoing convection and a reasonably rapid rotation
  B) magnetic rocks in its interior
  C) magnetic rocks on its surface
  D) a large core of solid magnetized iron


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ergserg

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


ec501234

  • Member
  • Posts: 573
Reply 2 on: Jul 27, 2018
Excellent

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
Men and women work the same number of hours a week, but men spend more time on paid work, and women ... Men and women work the same number of hours a week, but men spend more time on paid work, and women ...
How Self-Fulfilling Stereotypes Work. How Self-Fulfilling Stereotypes Work.
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Alcoholic fermentation Chemical Equation Alcoholic fermentation Chemical Equation
The rock cycle and the Earth’s physical environment The rock cycle and the Earth’s physical environment
Video: Appendicitis Animation

For a complete list of videos, visit our video library