Find the Unit Vector Having the Same Direction as V $$v = - 3 i + 4 j$$

question 152

Multiple Choice

Find the unit vector having the same direction as v.
- $$v = - 3 i + 4 j$$

• A) \(u = - \frac { 5 } { 3 } i + \frac { 5 } { 4 } j\)
• B) \(\mathbf { u } = - \frac { 4 } { 5 } \mathrm { i } + \frac { 3 } { 5 } \mathrm { j }\)
• C) \(\mathbf { u } = - \frac { 3 } { 5 } \mathrm { i } + \frac { 4 } { 5 } \mathrm { j }\)
• D) \(\mathbf { u } = - 15 \mathbf { i } + 20 \mathbf { j }\)

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Definitions:

Substage 6

The final phase of Jean Piaget's sensorimotor stage of cognitive development, where infants aged about 18-24 months start to develop symbolic thought and mental representation.

Sensorimotor Period

A stage in Jean Piaget's theory of cognitive development, where infants learn through interacting with their environment using their senses and motor actions.

Search for an Object

A cognitive milestone in child development where a child learns that objects continue to exist even when they are not seen, leading to behaviors such as looking for hidden objects.

Problem Solving

The process of identifying a challenge and finding an effective solution to overcome it.