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

Author Question: A bone is dug up and analyzed and found to contain 1/16--one sixteenth--of the amount of 14C ... (Read 32 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 29, 2018
A bone is dug up and analyzed and found to contain 1/16--one sixteenth--of the amount of 14C radioactivity of normal bones in living bodies. The half-life of 14C is 6000 years. Roughly how long has the individual been dead?
 
  A) 24, 000 years
  B) 6000 years
  C) 30,000 years
  D) 36,000 years
  E) Impossible to tell from the given information.

Question 2

If an electron is accelerated from rest through a potential difference of 9.9 kV, what is its resulting speed? (e = 1.60  10-19 C, k = 1/40 = 8.99  109 N  m2/C2, mel = 9.11  10-31 kg)
 
  A) 5.9  107 m/s
  B) 4.9  107 m/s
  C) 3.9  107 m/s
  D) 2.9  107 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

A


Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 29, 2018
TY


amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

The 20 amino acids found in living organisms The 20 amino acids found in living organisms
Juvenile American alligator swimming, showing the distinctive yellow striping found on juveniles Juvenile American alligator swimming, showing the distinctive yellow striping found on juveniles
Features found in a long bone. Features found in a long bone.
Bone Features Bone Features
The bimetallic temperature sensor spring controls the amount of silicone that is allowed into the ... The bimetallic temperature sensor spring controls the amount of silicone that is allowed into the ...
Both the top and bottom pattern have the same frequency. However, the amount of on-time varies. Both the top and bottom pattern have the same frequency. However, the amount of on-time varies.
Video: Coronary Heart Disease

For a complete list of videos, visit our video library