Choose the One Alternative That Best Completes the Statement or Answers

question 100

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Which of the following vectors is orthogonal to $20 \mathbf { i } - 8 \mathbf { j }$ ?

• A) \(\mathbf { w } = 4 i + 3 j\)
• B) \(w = 15 i - 6 j\)
• C) \(\mathbf { w } = - 10 \mathbf { i } - 25 \mathrm { j }\)
• D) \(w = 20 i + 4 j\)

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Definitions:

Reciprocity

The practice of exchanging things with others for mutual benefit, especially in social and emotional contexts.

Arousal Theory

A theory in psychology that proposes individuals are motivated to maintain an optimal level of arousal.

Optimal Level

The most favorable or desirable degree of efficiency, concentration, or condition for a particular process or function.

Stimulation

The action of arousing interest, excitement, or activity in someone or something, or the condition of being stimulated.