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

Author Question: The decay constant of neptunium-239 is 0.2975 d-1. What are its (a) half-life and (b) mean life? ... (Read 92 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 29, 2018
The decay constant of neptunium-239 is 0.2975 d-1. What are its (a) half-life and (b) mean life?
 
  What will be an ideal response?

Question 2

The distance between two asteroids is 1600 km. How much time does it take for a light signal to go from one asteroid to the other? (c = 3.0  108 m/s)
 
  A) 19 ms
  B) 4.5 ms
  C) 5.3 ms
  D) 13 ms
  E) 19 s
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carojassy25

  • Sr. Member
  • ****
  • Posts: 299
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

beaty of life beaty of life
(a) The relative age ranges of different dating techniques depend upon the half-life of the system u (a) The relative age ranges of different dating techniques depend upon the half-life of the system u
Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Integrals for Life Integrals for Life
Life cycle of the beef tapeworm (Taenia saginata). Life cycle of the beef tapeworm (Taenia saginata).
Video: What is Cholesterols? Introduction to Lipoproteins

For a complete list of videos, visit our video library