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

Author Question: The current definition of the standard second of time is based on A) the frequency of radiation ... (Read 27 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
The current definition of the standard second of time is based on
 
  A) the frequency of radiation emitted by cesium atoms.
  B) the earth's rotation rate.
  C) the duration of one year.
  D) the oscillation of a particular pendulum kept in France.

Question 2

The current definition of the standard meter of length is based on
 
  A) the distance between the earth's equator and north pole.
  B) the distance between the earth and the sun.
  C) the distance traveled by light in a vacuum.
  D) the length of a particular object kept in France.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


fox

  • Member
  • Posts: 540
Reply 2 on: Jul 29, 2018
Gracias!

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Primates exhibit prolonged life histories, spending more time in each stage of life than most other Primates exhibit prolonged life histories, spending more time in each stage of life than most other
Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011 Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011
Cost = $99.49; Rate of markup based on cost = 32%. Find the markup and selling price. Cost = $99.49; Rate of markup based on cost = 32%. Find the markup and selling price.
Incomplete dominance in flowering time of pea plants Incomplete dominance in flowering time of pea plants
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library