Qualification > Sciences
P1 CIE physics doubts
astarmathsandphysics:
cos the boxes are always in contact
sweetie:
--- Quote from: nid404 on April 29, 2010, 05:05:11 am ---W=kx
k=W/x
now when one spring is removed, value of k reduced to 2/3 of it's previous...which is 2W/3x
2W=2w/3x x e
e=3x
--- End quote ---
am sorry nid, but i didnt get how u got k as 2W/3x???????
nid404:
--- Quote from: sweetie on April 29, 2010, 12:27:35 pm ---am sorry nid, but i didnt get how u got k as 2W/3x???????
--- End quote ---
See all the together had a k= W/x right?
when one spring is removed from the 3, 1/3rd of the k is eliminated...right? k reduce by 1/3 ...so remaining k= 2/3 X W/x
got it?
sweetie:
yup..
Thank You ;)
nid404:
--- Quote from: sweetie on April 29, 2010, 12:53:34 pm ---yup..
Thank You ;)
--- End quote ---
no problem :)
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