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

Author Question: Wave velocity is inversely proportional to a. period. b. wavelength. c. amplitude. d. all of ... (Read 77 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
Wave velocity is inversely proportional to
 a. period.
  b. wavelength.
  c. amplitude.
  d. all of these.

Question 2

The radiocarbon content of 14C decreases after the death of a living system with a half-life of 5730 y. If an archaeologist working a dig finds an ancient firepit containing some partially consumed firewood and the wood contains only 12.5 percent of the 14C content of an equal carbon sample from a present-day tree, what is the age of the ancient site?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zhanghao

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

a

Answer to Question 2

17 190 years




penguins

  • Member
  • Posts: 903
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

For a complete list of videos, visit our video library