![subject](/tpl/images/cats/fizika.png)
Physics, 10.12.2020 22:40 esekvng4342
nickel 63 is a radioactive element that decays to copper-63. Nickel-63 has a half life of approximately 100 years. Vincent predicts that about 50 grams of a 200 gram sample of nickel-63 remains after 200 years is he correct why or why not?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:30
Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?
Answers: 2
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
![question](/tpl/images/cats/fizika.png)
You know the right answer?
nickel 63 is a radioactive element that decays to copper-63. Nickel-63 has a half life of approximat...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 07:50
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 07:50
![question](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 07:50
![question](/tpl/images/cats/en.png)
English, 02.12.2020 07:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 02.12.2020 07:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 02.12.2020 07:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.12.2020 07:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 02.12.2020 07:50
![question](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 07:50
![question](/tpl/images/cats/mat.png)