Dear all, I am a high school student & I have the following problem which to me it is very confusing.

Thank you very much!

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- Mar 19th 2008, 05:53 PM #1

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- Mar 19th 2008, 05:58 PM #2
(a) this is a separable differential equation.

you want to solve

rewrite as

now integrate both sides and continue (don't forget the arbitrary constant). use the clues given in the question to solve for the unknown.

(b) once you answered part (a), plug in and solve for

(c) , always

here is the half-life, is the rate of decay.

- Mar 19th 2008, 06:00 PM #3

- Mar 19th 2008, 07:11 PM #4

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- Mar 19th 2008, 07:35 PM #5

- Mar 20th 2008, 07:00 AM #6

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