You Want to Make Simultaneous Measurements of the Position and Velocity

question 68

Multiple Choice

You want to make simultaneous measurements of the position and velocity of an electron that is moving in the positive-x direction.If the velocity is measured to an accuracy of 10^-7 m/s,the limit of accuracy with which you can locate the electron is approximately

• A)zero
• B)6.6 \(\times\) 10^-27 m
• C)4.0 m
• D)7.3 km
• E)4.0 mm

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Definitions:

Agricultural Price Supports

Government interventions to stabilize or increase agricultural product prices through mechanisms such as subsidies or purchase commitments.

Acreage Allotments

A pre-1996 government program that limited the total number of acres to be used in producing (reduced amounts of) various food and fiber products and allocated these acres among individual farmers. These farmers had to limit their plantings to the allotted number of acres to obtain price supports for their crops.

Parity Ratio

is a measurement used to compare the value of one thing against another, often in agriculture or finance.

Prices Received

The amounts of money received by producers or sellers for their goods or services in the market.