Two Vectors Lie with Their Tails at the Same Point

question 18

Multiple Choice

Two vectors lie with their tails at the same point. When the angle between them is increased by 20 the magnitude of their vector product doubles. The original angle between them was about:

• A) 0
• B) 18
• C) 25
• D) 45
• E) 90

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Definitions:

Stranded

Left isolated or in a difficult situation without the means to move or act.

Utilities

Essential services provided to the public, including electricity, gas, water, and telecommunications.

Retailing

The selling of goods and services to consumers for personal or household use.

Convenience

The ease and efficiency with which a product or service can be acquired or used by the consumer.