If the Scalar (Dot) Product of Two Vectors Is Negative

question 71

Multiple Choice

If the scalar (dot) product of two vectors is negative, it means that

• A) there was a calculator error.
• B) the angle between the vectors is less than 90 degrees.
• C) the angle between the vectors is 90 degrees.
• D) the angle between the vectors is greater than 270 degrees.
• E) the angle between the vectors is between 90 and 180 degrees.

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Definitions:

Bailey v. Drexel Furniture Company

A 1922 United States Supreme Court decision that ruled the Child Labor Tax Law of 1919 unconstitutional, which had imposed a tax on companies using child labor.

Child Labor

The employment of children in any work that deprives them of their childhood, interferes with their ability to attend regular school, and that is mentally, physically, socially or morally dangerous and harmful.

Mandatory Retirement

A policy or practice that requires employees to retire at a certain age, regardless of their personal or professional circumstances.

Welfare Capitalism

An approach to labor relations and social welfare in which companies provide benefits like health insurance and retirement plans to their employees to prevent government intervention and unionization.