Find the Angle Between U and V in Radians

question 121

Multiple Choice

Find the angle between u and v in radians.
-u = -5i - 8j, v = 7i + 4j + 10k

• A) 1.84
• B) 2.16
• C) 1.58
• D) -0.59

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Definitions:

Relatively Inelastic

Relatively inelastic refers to a situation where the demand for a good or service changes little when its price changes; the percentage change in demand is smaller than the percentage change in price.

Perfectly Elastic

This term describes a situation in market economics where the quantity demanded or supplied responds infinitely to changes in price.

Relatively Elastic

Describes a situation where the quantity demanded or supplied changes significantly in response to a change in price.

Unit Elastic

A demand or supply situation where a percentage change in price leads to an equal percentage change in the quantity demanded or supplied.