subject
Physics, 10.03.2016 19:53 tatiiiee

What is half-life? a. half-life is a term that describes the time it takes for half of a particle to disintegrate c. half-life is a term that describes the time it takes for the amount of radioactivity to increase by one half. b. half-life is a term that describes the time it takes for the amount of radioactivity to go down by one half. d. none of the above

ansver
Answers: 3

Another question on Physics

question
Physics, 31.01.2019 17:20
Which sound characteristic is not affected by the relative motion of an object
Answers: 2
question
Physics, 31.01.2019 16:06
Technician a says manual seat belts are passive restraints. technician b says air bags are active restraints. who is right ?
Answers: 2
question
Physics, 30.01.2019 05:11
When electrons flow with little resistance through a conductor it is called a
Answers: 1
question
Physics, 29.01.2019 23:05
Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.
Answers: 1
You know the right answer?
What is half-life? a. half-life is a term that describes the time it takes for half of a particle t...
Questions
question
Computers and Technology, 11.09.2018 13:30
Questions on the website: 6683667