katyr1454 katyr1454

25-02-2021
Physics

contestada

A radioactive isotope has a life for 15 minutes. It has an initial count rate of 36000 Bg. What will the count be after 1 hour?

Respuesta :

dammyzee dammyzee

25-02-2021

Answer:

18000 Bg

Explanation:

after 15 minutes = 36000/2

After 30 minutes = 36000/4

30 minutes × 2 = 1 hour

After 1 hour = 36000/4 × 2 = 18000 Bg

Answer Link

Otras preguntas

Last one - Thank you an advance :)

At a raffle, 1000 tickets are sold for $5 each. There are 20 prizes of $25, 5 prizes of $100, and 1 grand prize of $2000. Suppose you buy one ticket.

As i was going to st. ives, i met a man with seven wives; seven wives with seven sacks; seven sacks with seven cats; seven cats with seven kittens; kittens, cat

Is my answer right? Which of the following is a reasonable ground-state electron configuration? 1s22s22p43s2 1s21p62s22p6 1s22s22p63s23p64s24d10 1s22s22p63s

Which is the ratio of the number of months that begin with the letter M to the total number of months in a year?

Question 2 of 20 : Select the best answer for the question. 2. To answer this question, read the following sentence: Because the animal shelter was filled wi

Which scientific discipline best links the use of titanium and plastics in artificial bone and joint replacements?

A mercedes-benz 300sl (m 5 1700 kg) is parked on a road that rises 158 above the horizontal. what are the magnitudes of (a) the normal force and (b) the static

which of these early historians where more concerned with clearly presenting fact than telling an interesting story

The large cod fish in the North Atlantic prey on smaller fish like herring. Due to warming ocean waters, the herring are moving to deeper water and further nort