1.

A particle moves along X-axis in such a way that its coordinate X varies with time \[t\] according to the equation \[x=(2-5t+6{{t}^{2}})\,m\]. The initial velocity of the particle is  [MNR 1987; MP PET 1996; Pb. PET 2004]

A.             \[-5\,m/s\]
B.             \[6\,m/s\]
C.             \[-3\,m/s\]        
D.             \[3\,m/s\]
Answer» B.             \[6\,m/s\]


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