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emmasim [6.3K]
3 years ago
11

After six half-lives, what percentage of a radioactive sample will remain?

Physics
2 answers:
WINSTONCH [101]3 years ago
7 0
<span>B) 1%-3% I hope I helped</span>
tatiyna3 years ago
4 0
Well at the fourth half-life it would be 6.25% so if you continue calculating the answer would be B.
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laila [671]

Answer:

2 seconds

Explanation:

The function of height is given in form of time. For maximum height, we need to use the concept of maxima and minima of differentiation.

h(t)=-16t^{2}+64t+112

Differentiate with respect to t on both the sides, we get

\frac{dh}{dt}=-32t+64

For maxima and minima, put the value of dh / dt is equal to zero. we get

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t = 2 second

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3 years ago
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