tut2 - has decreased by 3%. If the rate of decay is...

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Name: __________________________ Activity for Tutorial 2 To be submitted at the end of your tutorial on July 15 or July 20. 1. Determine the k that makes this exact: (6 xy 3 + cos y ) dx + (2 kx 2 y 2 x sin y ) dy = 0 . 2. Solve (4 t 3 y 15 t 2 y ) + ( t 4 + 3 y 2 t ) dy dt = 0. Verify that your answer is a solution.
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Name: __________________________ 3. Initially there are 100 milligrams of a radioactive substance. After 6 hours the mass
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Unformatted text preview: has decreased by 3%. If the rate of decay is proportional to the amount, how much remains after 20 hours? 4. Determine the charge and current at t = 0.005 s if I (0) = 0.4....
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tut2 - has decreased by 3%. If the rate of decay is...

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