A) \[1\text{ }m/{{s}^{2}}\]
B) \[2\,m/{{s}^{2}}\]
C) \[1/2\text{ }m/{{s}^{2}}\]
D) \[3\text{ }m/{{s}^{2}}\]
Correct Answer: A
Solution :
\[\text{a}=\frac{{{\text{v}}_{\text{0}}}''-{{\text{v}}_{\text{0}}}\text{ }\!\!'\!\!\text{ }}{\Delta \text{t}}\] On substituting \[v{{'}_{0}}2\text{ m/s, v }\!\!'\!\!\text{ }\!\!'\!\!\text{ }{{ & }_{0}}=12\text{ m/s and }\Delta \text{t=10 sec,}\] We get, \[a=1\text{ }m/{{s}^{2}}\]
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