Problem: 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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Heisenberg Uncertainty Principle:

x·ph4π

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

m = 1.67 × 10-27 kg

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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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