Author Question: Momentum of a system isn't always constant. What condition assures that momentum is conserved for a ... (Read 72 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
Momentum of a system isn't always constant. What condition assures that momentum is conserved for a system?
 
  What will be an ideal response?

Question 2

Uh-oh, the malicious eight-dimensional alien beings are back. This time, imagine that they suddenly changed nature so that neither the uncertainty principle nor the exclusion principle applied to electrons.
 
  What would happen almost immediately to atoms? A) Atoms would annihilate each other, releasing huge amounts of energy.
  B) Atoms would be immediately ionized.
  C) Nothing; atoms would be unaffected by this change.
  D) Electrons would fall into the nuclei of atoms.



kmb352

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

Momentum is conserved for an isolated system; i.e., if the net external force acting on the system is zero.

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

For a complete list of videos, visit our video library