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2nd order differential equations

Hi, could someone help me with the following questions? Will post my working out later but I'm quite stuck.

image-1a7cd2a3-2ba9-4829-b8ba-c5153734f6e36857172292586121516-compressed.jpg.jpeg

Thanks
Reply 1
Avatar for mqb2766
mqb2766
21
Original post by Jian17
Hi, could someone help me with the following questions? Will post my working out later but I'm quite stuck.

image-1a7cd2a3-2ba9-4829-b8ba-c5153734f6e36857172292586121516-compressed.jpg.jpeg

Thanks

Have you sorted this?
Reply 2
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Jian17
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Original post by mqb2766
Have you sorted this?


I think I'll ask the lecturer next week but yeah I still don't know how to do question 3, but I worked out question 4 I think. IMG_20191116_190851-compressed.jpg.jpeg IMG_20191116_190902-compressed.jpg.jpeg
Reply 3
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mqb2766
21
Original post by Jian17
I think I'll ask the lecturer next week but yeah I still don't know how to do question 3, but I worked out question 4 I think. IMG_20191116_190851-compressed.jpg.jpeg IMG_20191116_190902-compressed.jpg.jpeg

* For ii) there is no integration constant in I = ...
* No integration constant in iii) I = (bottom of page 1)
* What does the A in the general solution in iii) represent?
* No axes on graphs. Bottom left is wrong? No info about what the lines are, but it can't be right.

What are you stuck with for the first question. You've got the right idea for the RLC question.
(edited 4 years ago)

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