Vectors $$\overrightarrow { \mathrm { A } }$$ And $$\vec { B }$$

question 49

Multiple Choice

Vectors $$\overrightarrow { \mathrm { A } }$$ and $$\vec { B }$$ have equal magnitudes.Which statement is always true?

• A) \[\overrightarrow { \mathbf { A } } + \overrightarrow { \mathbf { B } } = 0\] .
• B) \[\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } } = 0\] .
• C) \(\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } }\) is perpendicular to \(\overrightarrow { \mathrm { A } } + \overrightarrow { \mathrm { B } }\) .
• D) \(\overrightarrow { \mathrm { B } } - \overrightarrow { \mathrm { A } }\) is perpendicular to \(\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } }\) .
• E)The magnitude of \(\overrightarrow { \mathbf { A } } - \overrightarrow { \mathbf { B } }\) equals the magnitude of \(\overrightarrow { \mathrm { A } } + \overrightarrow { \mathrm { B } }\) .

---

Definitions:

Perishable Nature

A characteristic of goods that have a limited lifespan and deteriorate or lose value over time, such as food products or live plants.

Inventory

The total amount of goods or materials held in stock by a business, including raw materials, work-in-progress, and finished goods.

Inconsistency

The quality of being irregular, erratic, or not consistent in principles, actions, or outcomes, often leading to unpredictability or conflict.

Load Factor

In the context of utilities, it's a measure of the efficiency of energy usage, calculated as the ratio of average load to the peak load in a given period.