Author Question: Planetary orbits are a. parabolas. b. ellipses. c. circles. d. none of the ... (Read 41 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?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

For a complete list of videos, visit our video library