Author Question: If you were to cut a small permanent bar magnet in half, A) neither piece would be magnetic. B) ... (Read 38 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
If you were to cut a small permanent bar magnet in half,
 
  A) neither piece would be magnetic.
  B) one piece would be a magnetic north pole and the other piece would be a south pole.
  C) each piece would in itself be a smaller bar magnet with both north and south poles.
  D) None of these statements is true.

Question 2

A certain particle's energy is measured by a detector to within 1.0  10-18 J.
 
  What is the minimum uncertainty we can have in its arrival time at the detector? ( h = 1.055  10-34 J  s)
  A) 1.1  10-15 B) 1.1  10-12 C) 1.1  10-13 D) 1.1  10-16 E) 1.1  10-14



karmakat49

  • Sr. Member
  • ****
  • Posts: 369
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library