Physics
Physics, 21.03.2021 03:30, JeroMii

Question: state how many polonium-218 atoms Jonathon has after: 4min:
14min:
9min:
19min:

Second question (if you want to answer it would really help me)
Question: Determine the time(min) when Jonathon has:
A) one-half of the original number of polonium-218 atoms
B) one-quarter of the original number of polonium-218 atoms
C) one-eighth of the original number of polonium-218 atoms


Question: state how many polonium-218 atoms Jonathon has after:

4min:
14min:
9min:
19min:
Second

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 08:20, jrjordans13ox06qs
At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?
Answers: 1
image
Physics, 22.06.2019 08:50, babas97
The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions
Answers: 3
image
Physics, 22.06.2019 10:00, sofiaisabelaguozdpez
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
image
Physics, 22.06.2019 11:30, cristianc52
If we relied solely on the nonrenewable resources found in the u. s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
Answers: 1
Do you know the correct answer?
Question: state how many polonium-218 atoms Jonathon has after: 4min:
14min:
9min:

Questions in other subjects: