Author Question: High mass stars are much less common than low mass stars because they A) are born in much smaller ... (Read 138 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?

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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

For a complete list of videos, visit our video library