This topic contains a solution. Click here to go to the answer

Author Question: The escape speed from the moon is what fraction of Earth's escape speed? (Earth/Lunar mass ratio = ... (Read 188 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
The escape speed from the moon is what fraction of Earth's escape speed? (Earth/Lunar mass ratio = 81.3; Earth/Lunar radius ratio = 3.67)
 
  A) 0.045
  B) 0.17
  C) 0.61
  D) 0.41
  E) 0.21

Question 2

A 3. kg ball of putty moving at 1 m/s collides and sticks to a 2 kg ball initially at rest. The putty and ball then move with a momentum of
 
  A) 1 N-s.
  B) 2 N-s.
  C) 4 N-s.
  D) 3 N-s.
  E) 0 N-s.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

E

Answer to Question 2

D





 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

For a complete list of videos, visit our video library