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

What is the Ka’aba? an Islamic deity a Muslim pilgrim a book of Sharia laws an ancient stone temple

Which of the following topics is too broad for a 10-minute speech? how to shoot a free throw the best college basketball team this year my favorite basketball p

“Power tends to corrupt; absolute power corrupts absolutely.” --Lord Acton, British historian Based on this quotation, why type of government would Lord Acto

Hook was the first to discover cells in a cork. true or false?

What does audacity means

What are depository and non depository financial institutions? How do they differ?

80% of what number is 94

Which of the following would be considered an example of a human resource? A. climate changes B. industrial resources C. intellectual contributions D. natural r

Which statement about novels is true? A.They use dramatic elements to depict the flaws of human nature in a succinct, poignant way. B.They use poetic techniques

is 0.02468 greater than 0.024