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 112 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
Thanks for the timely response, appreciate it

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Grime's classification of plant life-history strategies Grime's classification of plant life-history strategies
What is the meaning of life? What is the meaning of life?
Life of a Midlatitude Cyclone Life of a Midlatitude Cyclone
You make 4 semi-annual deposits starting at $350 and increasing at a constant rate of 2.14%. ... You make 4 semi-annual deposits starting at $350 and increasing at a constant rate of 2.14%. ...
The life cycle of Chlamydomonas The life cycle of Chlamydomonas
Life cycle of a Plasmodium species that causes malaria Life cycle of a Plasmodium species that causes malaria
Video: Glomerubular filtrate rate -pressures that affect GFR and net filtration pressure

For a complete list of videos, visit our video library