If the distance ?s? metre traversed by a particle in t seconds is give – McqOptions

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1.	If the distance ?s? metre traversed by a particle in t seconds is given by \[s={{t}^{3}}-3{{t}^{2}}\], then the velocity of the particle when the acceleration is zero, in metre/sec is [Karnataka CET 2004]
A.	3
B.	? 2
C.	? 3
D.	2
Answer» D. 2

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