Resposta :
Resposta:
B
Explicação:
[tex]v=v_{0} +at\Longrightarrow 50=0+a\cdotp 2\Longrightarrow \boxed{\boxed{a=25\ m/s^{2}}}[/tex]
[tex]\Large\boxed{\begin{array}{l}\sf a=\dfrac{\Delta v }{\Delta t}\\\\\sf a=\dfrac{50}{2}\\\\\sf a=25\,m/s^2\end{array}}[/tex]