A boy pushes a box of mass 2 kg with a force F =(20 i +10 j ) N on a frictionless surface. If the box was initially at rest, then \ \ \ \ m is…

A boy pushes a box of mass $\displaystyle 2$ kg with a force $\displaystyle \overrightarrow{\mathrm{F}}=(20 \hat{i}+10 \hat{j}) \mathrm{N}$ on a frictionless surface. If the box was initially at rest, then \_\_\_\_ m is displacement along the $\displaystyle x$-axis after $\displaystyle 10$ s .