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Looks straight forward?

nVital · 2010-08-13 05:56:02

I cant remember how to start this :(

13-08-2010 5:56am

#1

nVital

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Join Date: January 2010

Posts: 20

I cant remember how to start this

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Comments

#2 13-08-2010 8:34am

Fremen

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Take the laplace transform of both sides, then use the identity for the laplace transform of dy/dt (if you can't remember it, it comes from integration by parts)

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#3 13-08-2010 7:00pm

nVital

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Join Date: January 2010

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So start by:

L{y'} -y(0) - L{2y} = 4/s

????? Haven't done these since last semester, any help would be great.

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#4 14-08-2010 12:51am

Michael Collins

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Posts: 1736

That looks perfect. Now write out those Laplace transforms explicitly, and solve the resulting algebraic equation. Then transform back to the t-domain.

If you can't remember the transforms, have a look on Wikipedia:

http://en.wikipedia.org/wiki/Laplace_transform#Properties_and_theorems

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