[填空题]
A proton is traveling with y 3vfpa50go u ; .a576ixemykja speb- bnnfw: 2z/qed of $(6.560 \pm 0.012) \times 10^3 \, \text{m/s}$. With what maximum accuracy can its position be ascertained? [Hint: $\Delta p \approx m \Delta v$]
$\pm$ $ \times 10^{-11}\ \text{m}$
