Author Question: Has there ever been a situation in which a given quantity of matter was turned completely into ... (Read 18 times)

audie

  • Hero Member
  • *****
  • Posts: 532
Has there ever been a situation in which a given quantity of matter was turned completely into non-material forms of energy?
 
  A) Yes, in electron-positron pair production.
  B) Yes, in all three of the above types of experiments.
  C) Yes, in electron-positron annihilation.
  D) Yes, in nuclear fission and fusion.
  E) No, there must always be some matter left over.

Question 2

A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 kg and is under a tension of 2000 N.
  (a) What is the speed of the wave on the wire?
  (b) Find the frequency of this wave.
 
  What will be an ideal response?



tuate

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

C

Answer to Question 2

(a) 200 m/s (b) 400 Hz



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library