perryjarvisr9285 perryjarvisr9285

03-05-2022
Physics

contestada

If the activity of a radionuclide decreases from 5,000 disintegrations per minute to 625 disintegrations per minute

in 12 hours, its half-life is?

Respuesta :

jsimpson11000 jsimpson11000

03-05-2022

Answer:

4 hrs

Explanation:

625 = 5000 (1/2)^n

625/5000 = 1/2^n

n = 3 half lives

3 half lives = 12 hours 1 half life = 4 hrs

Answer Link

Otras preguntas

Part 3: DATA SET: Biopsy specimens, cancer cell lines and tissues obtained by gastric surgery are used in the study and analysis of gastric cancer. CLAIM EVIDEN

When LGBTQ communities wanted to respond to the discrimination they were facing, they decided to plan a march in Washington, DC. What type of response does this

Please answer correct only

iqwst kinetic energy lesson 2 reading one

"So next time you are in the market for a new pet, apply the knowledge you have learned today to research and purchase from responsible breeders. You and your d

You have already read two and a half hours for a Read a Thon. How long will you have to read if you read an additional h hours?

The fertility rate is the average number of children each parent must have in order to replace themselves in the population. A) Mortality rate B) Birth rate C)

What type of system provides real-time aircraft status, tracks component failure trends, and develops statistical records for analysis? a) Universal Supply Syst

the independence movements in Latin America would best fit into which of the following causes of war? a. religion b. nationalism c. economic gain d. revenge

Simplify the equation below: