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

Are birds just batteries that charge telephone poles? Or are they drones that CHARGE from telephone poles?

Mr. Yen and Mrs. Barnes both have beautiful flower gardens. Mr. Yen has 7 rose bushes for every 3 lilac bushes. Mrs. Barnes has 9 rose bushes for every 4 lilac

for question 18 how do get the answer?

What is the summary in The Great Universal Undo

find the slope intercept form 5x-3y=27

The table below shows the number of customers that come eat lunch at a local deli each week. Based on the information, how many customers should the deli expect

Gen spends exactly $80 to buy child tickets at $7 each and adult tickets at $12 each. Find the maximum number of tickets that could be purchased

What should Raj do to ensure that he stays safe in the workplace? He should make sure to bend his knees as he lifts the boxes. He should try to use the small mu

Please help homework due

1. What is the area of this tile? ina 6 in. 2 in.