Author Question: If you were to cut a small permanent bar magnet in half, A) neither piece would be magnetic. B) ... (Read 67 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?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library