This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: About how long ago was the last retreat of the glaciers from North America and Europe? a. 60,000 ... (Read 60 times)

armygirl

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
About how long ago was the last retreat of the glaciers from North America and Europe?
 a. 60,000 years
  b. 10,000 years
  c. 2 million years
  d. 6000 years

Question 2

Consider two charged spheres, one with charge +2 C and the other with -2 C. A proton (a positively charged particle) is at the point halfway between the spheres. What is not zero?
 a. the potential energy of the proton
  b. the work to move the proton from infinity to that point
  c. the force on the proton
  d. all of the three above are zero


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kjones0604

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

C


armygirl

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


Kjones0604

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

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

Roe deer of Eastern Europe, suit in April/May. Roe deer of Eastern Europe, suit in April/May.
Associative Long-Term Potentiation Associative Long-Term Potentiation
Major Categories of Long-Term Memory Major Categories of Long-Term Memory
Long Term Control Medications Long Term Control Medications
Long bone formation Long bone formation
Video: First Stage of Labor and Delivery Video

For a complete list of videos, visit our video library