« previous next »

Author Question: The Earth's orbit has a mean radius of 1.5 108 km. Over a six-month period, the apparent position ... (Read 33 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
The Earth's orbit has a mean radius of 1.5  108 km. Over a six-month period, the apparent position of a particular star varies by 0.00014 due to parallax. How distant is the star, in ly? (1 ly = 9.46  1015 m)
 
  A)
 
  0.13 ly
  B)
 
  1.3 ly
  C)
 
  13 ly
  D)
 
  130 ly
  E)
 
  1300 ly

Question 2

In solving for the wave function for a finite potential well, which of the following is NOT required?
 
  A)
 
  The wave function be continuous.
  B)
 
  The first derivative of the wave function be continuous.
  C)
 
  There always be at least one bound state.
  D)
 
  The wave function be normalized.
  E)
 
  All of the above are required.


Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Heart valves in closed position viewed from the top. Heart valves in closed position viewed from the top.
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Changes in Earth’s Orbit Changes in Earth’s Orbit
Embryonic Period Embryonic Period
Inferior view of distal ends of radius and ulna Inferior view of distal ends of radius and ulna
Video: Transcription—A molecular view

For a complete list of videos, visit our video library