Author Question: High mass stars are much less common than low mass stars because they A) are born in much smaller ... (Read 97 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
High mass stars are much less common than low mass stars because they
 
  A) are born in much smaller numbers
  B) have much shorter lifetimes
  C) have much longer lifetimes
  D) two of these

Question 2

Contrast Aristotle's predictions concerning free-falling bodies with Galileo's predictions.
 
  What will be an ideal response?



Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

D

Answer to Question 2

Aristotle said heavier bodies fall faster than light bodies; so if the two were dropped at the same time, the heavier body would strike the ground sooner. Galileo observed that the motion was independent of the body's mass provided air friction was not significant.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

For a complete list of videos, visit our video library