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

---

Definitions:

Purchasing Behaviour

The decision-making processes and actions of consumers related to buying goods or services.

Cognitive Learning Theory

A theory in psychology that states learning happens through internal processing of information, emphasizing the roles of thought, understanding, and knowledge acquisition.

Mental Processes

Internal cognitive operations that involve thinking, reasoning, problem-solving, and planning, among other intellectual activities.

Interference

the process by which other memories or information disrupt the storage or retrieval of specific memories.