Author Question: Planetary orbits are a. parabolas. b. ellipses. c. circles. d. none of the ... (Read 84 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
Planetary orbits are
 a. parabolas. b. ellipses.
  c. circles. d. none of the above.

Question 2

The vertical acceleration of a projectile
 a. equals g pointing downwards.
  b. equals g pointing upwards.
  c. equals g pointing sometimes upwards and other times downwards.
  d. is zero.
  e. continuously increases.



ebe

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

b

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ebe

  • Sr. Member
  • ****
  • Posts: 320

 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library