Register

If the half- life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds ?

If the half- life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds ?
119k views
5 votes
If the half- life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds ?

User JackPearse
by
8.3k points

1 Answer

6 votes
after 30 seconds half is left.  After 30 more seconds, half of that much will be left (25%) or 1/4 of the original amount
User Seko
by
8.9k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
Link Copied!