Let $\mathbf { v } = 9 \mathbf { j }$

question 145

Multiple Choice

Let $\mathbf { v } = 9 \mathbf { j }$ and let $\mathbf { u }$ be a vector with length 5 that starts at the origin and rotates in the $x y$ - plane. Find the maximum value of the length of the vector $| \mathbf { u } \times \mathbf { v } |$ . Select the correct answer.

• A) \(| \mathbf { u } \times \mathbf { v } | = 159\)
• B) \(| \mathbf { u } \times \mathbf { v } | = 5\)
• C) \(| \mathbf { u } \times \mathbf { v } | = 1\)
• D) \(| \mathbf { u } \times \mathbf { v } | = 45\)
• E) \(| \mathbf { u } \times \mathbf { v } | = 9\)

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Definitions:

Initial Credit Purchase

The first acquisition of goods or services that allows payment to be delayed.

Sight Draft

A financial document that demands immediate payment upon presentation to the drawee, often used in international trade.

Time Draft

A written order to pay a specified amount of money at a certain time in the future, often used in international trade.

Banker's Acceptance

A short-term financial instrument issued by a company that is guaranteed by a commercial bank. It is commonly used in international trade.