A Particle Moves with Position Function $\mathbf { r } ( t ) = 4 \cos t \mathbf { i } + 4 \sin t \mathbf { j } + 4 t \mathbf { k }$

question 66

Short Answer

A particle moves with position function $\mathbf { r } ( t ) = 4 \cos t \mathbf { i } + 4 \sin t \mathbf { j } + 4 t \mathbf { k }$ .
Find the normal component of the acceleration vector.

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