Heisenberg Uncertainty Principle:

$\overline{){\mathbf{\u2206}}{\mathbf{x}}{\mathbf{\xb7}}{\mathbf{\u2206}}{\mathbf{p}}{\mathbf{\ge}}\frac{\mathbf{h}}{\mathbf{4}\mathbf{\pi}}}$

Δx is the uncertainty in the position while Δp is the uncertainty in the momentum.

m = 1.67 × 10^{-27} kg

A proton is confined to a space 1 fm wide (about the size of the atomic nucleus). What is the minimum uncertainty in its velocity?

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