What Is the Approximate Uncertainty in the Position of a Proton

question 18

Multiple Choice

What is the approximate uncertainty in the position of a proton (1.673 $\times$ 10^-27 kg) in a particle accelerator if its velocity is known to about ±2.5 m/s (total uncertainty is 5.0 m/s) ?

• A)±6.4 \(\times\) 10^-9 m
• B)±3.2 \(\times\) 10^-9 m
• C)±1.3 \(\times\) 10^-9 m
• D)±3.2 \(\times\) 10^-8 m
• E)±6.4 \(\times\) 10^-10 m

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Definitions:

Nickel Content

The proportion or percentage of nickel present within a material or alloy.

Scrap Steel

Discarded steel material that can be recycled and used in new steel production.

Alloy

Alloy is a mixture of two or more elements, where at least one is a metal, used to enhance properties such as strength and corrosion resistance.

Percent Change

A mathematical calculation that shows how much a quantity has increased or decreased, expressed as a percentage.