A) \[-1\text{ }m{{s}^{-2}}\]
B) \[-1.5\text{ }m{{s}^{-2}}\]
C) \[-2\text{ }m{{s}^{-2}}\]
D) \[-2.5\text{ }m{{s}^{-2}}\]
Correct Answer: C
Solution :
The position of a moving particle \[x({{t}_{1}})=1+t-{{t}^{2}}\] The velocity of the particle \[\frac{dx}{dt}=v=1-2t\] The acceleration of the particle \[\frac{dv}{dt}=-2m/{{s}^{2}}\]
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