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KEAM 2010 Physics and Chemistry Paper

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Question : 39 of 119
 
Marks: +1, -0
The position of a particle is given by
→
r
=2t2
∧
i
+3t
∧
j
+4
∧
k
, where t is in second and the coefficients have proper units for
→
r
 to be in metre. The
→
a
(t) of the particle at t=1s is
Validate
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