1.

Which one of the following is called first equation of motion?

A. \[v=u+at\]       
B. \[\text{s=ut}\,\text{+}\,\frac{\text{1}}{\text{2}}\text{a}{{\text{t}}^{\text{2}}}\]
C. \[{{\text{v}}^{\text{2}}}\,\text{=}\,{{\text{u}}^{\text{2}}}\,\text{+}\,\text{2as}\]      
D.        All the above
E. None of these
Answer» B. \[\text{s=ut}\,\text{+}\,\frac{\text{1}}{\text{2}}\text{a}{{\text{t}}^{\text{2}}}\]


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