This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following would serve as the best time standard? 1.the rotation of Earth upon its axis ... (Read 47 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jul 28, 2018
Which of the following would serve as the best time standard?
  1.the rotation of Earth upon its axis
  2.the vibration of a CS-133 atom
  3.a grandfather clock
  4.the buzzing of a mosquito

Question 2

Which of the following wavelengths is common to a 10 cm tube open at both ends and a 15 cm tube open at one end and closed at the other?
  1.60 cm
  2.30 cm
  3.20 cm
  4.15 cm
  5.5 cm
  6.Two of the above
  7.Three of the above
  8.None of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tmlewis4706

  • Sr. Member
  • ****
  • Posts: 295
Reply #1 on: Jul 28, 2018
Answer to Question 1

2

Answer to Question 2

3


craiczarry

  • Member
  • Posts: 527
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
Barenaked Ladies - Lovers in a Dangerous Time Barenaked Ladies - Lovers in a Dangerous Time
Attention and memory are in demand during circle time. Attention and memory are in demand during circle time.
Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ... Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ...
A clock is showing the time as exactly 3:00 p.m. and 25 s. A clock is showing the time as exactly 3:00 p.m. and 25 s.
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library