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

Which expression represents the perimeter of the following triangle?

Is this correct?! Correct me if i am wrong!

Do you like poetry or do you dislike it? Ela assignment. :D

how do you solve y=x+4 and y=-2x+1 using the subsituation method and show work and please give me the correct answer

How can I shorten this and for it to sill make sense? radiation is the emission or transmission of energy in the form of waves or particles through space or th

PLSSSSSSSSSSSSSSSSS HELPPPPPPPPPPP PLSSSSSSSSSSSS PLSSSSSSSSSSSSSSSSSS

HELP!!! HURRY!!! NO SPAM!!!! Identify the translation of the figure with the vertices W(2,−3), X(5,−3), Y(5,−5) and Z(2,−5), along the vector ⟨−6,7⟩.

Solve the following inequalities and give the solutions in both set and interval notations. -2x + 5 < -x + 25

The leader of the Texan Forces in the Texas War for Independence was _________. a. Stephen F. Austin b. Sam Crockett c. David Crockett d. Juan Sequin

Can someone please help me with this question