1.

The displacement \[x\]  of a particle along a straight line at time \[t\] is given by \[x={{a}_{0}}+{{a}_{1}}t+{{a}_{2}}{{t}^{2}}\]. The acceleration of the particle is              [NCERT 1974; RPMT 1999; AFMC 1999]

A.             \[{{a}_{0}}\] 
B.             \[{{a}_{1}}\]
C.             \[2{{a}_{2}}\]           
D.             \[{{a}_{2}}\]
Answer» D.             \[{{a}_{2}}\]


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