Find the Angle Between V and W $\mathbf { v } = \mathrm { i } + \mathrm { j }$

question 132

Multiple Choice

Find the angle between v and w. Round to one decimal place, if necessary.
- $\mathbf { v } = \mathrm { i } + \mathrm { j }$ and $\mathbf { w } = \mathrm { i } + \mathbf { j } - \mathbf { k }$

• A) \(66 ^ { \circ }\)
• B) \(0 ^ { \circ }\)
• C) \(35.3 ^ { \circ }\)
• D) \(90 ^ { \circ }\)

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Definitions:

Economies of Scale

Competitive edge gained by firms through efficient production methods, leading to a reduction in the cost for each unit produced as the scale of production grows.

Natural Gas Pipeline

A system of pipes that transports natural gas from its source to the consumers or to a processing plant.

Diminishing Returns to Scale

A situation where, as more inputs are used, the incremental increase in output decreases.

Economies of Scale

Economies of scale refer to the cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output decreasing with increasing scale.