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[Post New]20 Dec 2007 17:02:41 IST
    Subject: Re:ONLY FOR BRAINY IIT ASPIRANTS
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tka (285)

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Olaaa!! Perrrfect answer. 47  [72 rates]
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the three kinematical equations
v = u + at
 
s = ut + 1/2 at2
 
2as = v2 - u2
 
have been derived ONLY for systems with constant acceleration. if in a question you are told that acceleration varies as a function of time/displacement, you cannot use this directly!






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