Space Find the Speed $s ( t )$ Of the Object

question 11

Multiple Choice

$\text { The position vector } \mathbf { r } ( t ) = 8 t \mathbf { i } + + 4 t \mathbf { j } + 5 t \mathbf { k } \text { describes the path of an object moving in }$ space. Find the speed $s ( t )$ of the object.

• A) \(s ( t ) = 1 / 73\)
• B) \(s ( t ) = 105\)
• C) \(s ( t ) = 1 / 105\)
• D) \(s ( t ) = 1 / 85\)
• E) \(s ( t ) = 17\)

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Definitions:

Psychodynamic

A psychological perspective that emphasizes unconscious psychological processes (for example, wishes and fears of which we're not fully aware) and contends that childhood experiences are crucial in shaping adult personality.

Non-Western Medical

Healthcare practices and beliefs that originate outside of traditional Western medicine, often involving holistic and natural approaches.

Somatization

The process by which psychological distress is expressed through physical symptoms.

Collectivist Culture

Societies or cultures that prioritize the group over the individual, emphasizing community, cooperation, and interdependence.