The position x of a particle with respect to time t along x-axis is given by x=9t2 - t3 where x is
Channel: Ritesh Dahiya (RD Sir) (KDC) Kota Doubt Counter
Date: 2020-09-04

The position x of a particle with respect to time t along x-axis is given by x=9 t 2-t 3 where x is in metres and t in seconds. What will be the position of this particle when it achieves maximum speed along the + x direction? (NEET 2007)
(a)  54 m
(b)  81 m
(c)  24 m
(d)  32 m

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