The tangential component $a _ { \mathrm { T } } ( t )$ of the acceleration of a particle moving along the curve $\mathbf { r } ( t ) = ( t + 2 ) \mathbf { i } + 2 t \mathbf { j } + 2 \mathbf { k }$ is

A) $\sqrt { 56 }$
B) $\sqrt { 8 t ^ { 2 } + 1 }$
C)0
D) $\sqrt { 65 }$
E) $\frac { 8 t } { \sqrt { 8 t ^ { 2 } + 1 } }$

Question

The tangential component $a _ { \mathrm { T } } ( t )$ of the acceleration of a particle moving along the curve $\mathbf { r } ( t ) = ( t + 2 ) \mathbf { i } + 2 t \mathbf { j } + 2 \mathbf { k }$ is

A) $\sqrt { 56 }$
B) $\sqrt { 8 t ^ { 2 } + 1 }$
C)0
D) $\sqrt { 65 }$
E) $\frac { 8 t } { \sqrt { 8 t ^ { 2 } + 1 } }$

Quizplus · Accepted Answer

The Answer of The tangential component $a _ { \mathrm { T } } ( t )$ of the acceleration of a particle moving along the curve $\mathbf { r } ( t ) = ( t + 2 ) \mathbf { i } + 2 t \mathbf { j } + 2 \mathbf { k }$ is

A) $\sqrt { 56 }$
B) $\sqrt { 8 t ^ { 2 } + 1 }$
C)0
D) $\sqrt { 65 }$
E) $\frac { 8 t } { \sqrt { 8 t ^ { 2 } + 1 } }$

The Tangential Component aT(t)a _ { \mathrm { T } } ( t )aT​(t)

The Tangential Component $a _ { \mathrm { T } } ( t )$