If the Magnitude of the Sum of Two Vectors Is

question 28

Multiple Choice

If the magnitude of the sum of two vectors is less than the magnitude of either vector, then:

• A)the scalar product of the vectors must be negative
• B)the scalar product of the vectors must be positive
• C)the vectors must be parallel and in opposite directions
• D)the vectors must be parallel and in the same direction
• E)none of the above

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Definitions:

Confounded Variable

A factor other than the independent variable that might cause or influence the outcome of an experiment, potentially biasing the results.

Operational Definition

A description of a concept or variable in terms of the specific process or set of validation tests used to determine its presence and quantity.

Hypothesis

A proposed explanation for a phenomenon, intended to be tested through research.

Misery Loves Company

A popular adage implying that people who are unhappy may get some consolation from knowing that others are unhappy too.