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

Author Question: The lifetime of a + meson normally is 18 nanoseconds. In a large particle accelerator, scientists ... (Read 46 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
The lifetime of a + meson normally is 18 nanoseconds. In a large particle accelerator, scientists can create p+ mesons moving at speeds very close to the speed of light.
 
  What do the scientists observe when they measure the lifetime of a + meson that is created at very high speed? A) The + meson lasts 18 nanoseconds.
  B) The + meson lasts much less than 18 nanoseconds.
  C) The + meson lasts much more than 18 nanoseconds.
  D) The + meson no longer decays, and remains as a stable particle.

Question 2

The distinguishing feature of a starburst galaxy is
 
  A) the presence of an unusually large number of binary star systems containing X-ray bursters.
  B) a very large luminosity compared to the total luminosity of the Milky Way.
  C) strong radio emission from lobes of material well outside the visible boundaries of the galaxy.
  D) a rate of star formation that may be 100 or more times greater than that in the Milky Way.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nmyers

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

C

Answer to Question 2

D




beccaep

  • Member
  • Posts: 535
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

For a complete list of videos, visit our video library