If the Flow Lines for the Vector Field $\vec { F } ( \vec { r } )$

question 59

True/False

If the flow lines for the vector field $\vec { F } ( \vec { r } )$ are all concentric circles centered at the origin, then $\vec { H } ( \vec { r } ) \cdot \vec { r } = 0$ for all $\vec { r }$

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The capacity for expansion or increased sales within a market, considering current trends and consumer demand.

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Alternative goods or services that consumers can choose as replacements for another item, usually because they fulfill similar needs or functions.

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