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

Taylor buys 6 bus tickets. he pays for tickets with 20 dollar bill let c represent each cost of each ticket.

You want to limit the amount of television you watch to an average of at most 1.5 hours per week during an 8-week period. how many hours xx of television must y

Which factor plays the biggest role in delaying the detection of childhood diseases? A. Overprotective parenting B. Multiple infections C. Lack of heal

gram for gram basis lipids provide cells with more

Joe has 175cm and john has 1.7m of rope who's rope is longest explain your thinking

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 370

PLEASE HELP ME. Solve using the quadratic formula. 5x2+x+3=0

What is 3 9/20 written as a decimal?

Jan pays $70 each month for her auto insurance policy. this regular payment is called a: co-pay, deductible, premium, claim?

How do you do this math problem