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June 18, 2019, 09:13:42 pm

Author Topic: Spring and collision  (Read 4919 times)  Share 

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Re: Spring and collision
« Reply #15 on: April 28, 2008, 11:03:45 pm »
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Also how did you get

?

Neobeo

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Re: Spring and collision
« Reply #16 on: April 28, 2008, 11:51:49 pm »
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Also how did you get

?

Well, by first principles you could derive for the spring:



and then
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Re: Spring and collision
« Reply #17 on: May 01, 2008, 01:36:25 am »
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Sorry for replying so late, but I checked in the book and it says





I'm guessing this is if the block is being stretched at t = 0, is this right?

When the block starts at rest, does that mean

?

Also, which direction do you usually choose to be 'negative'? The direction in the compression of the spring, or the direction stretching the spring?

Thanks again :p