The acceleration, the unit tangent, and the principal unit normal of a moving particle in space at a particular time are respectively given by
a = 12 i + 3 j -12 k , = ( 2 i + j - 2 k ), and = ( i -4 j - k )
The tangential component of the acceleration is equal to:
A) 2 ( i - j + k )
B) 17
C) 8 i + j + 8 k
D) 2
E) 0

Question

The acceleration, the unit tangent, and the principal unit normal of a moving particle in space at a particular time are respectively given by 
a = 12 i + 3 j -12 k ,  =  ( 2 i + j - 2 k ), and  =  ( i -4 j - k )
The tangential component of the acceleration is equal to:
A) 2 ( i - j + k ) 
B) 17 
C) 8 i + j + 8 k 
D) 2 
E) 0

Quizplus · Accepted Answer

The Answer of The acceleration, the unit tangent, and the principal unit normal of a moving particle in space at a particular time are respectively given by 
a = 12 i + 3 j -12 k ,  =  ( 2 i + j - 2 k ), and  =  ( i -4 j - k )
The tangential component of the acceleration is equal to:
A) 2 ( i - j + k ) 
B) 17 
C) 8 i + j + 8 k 
D) 2 
E) 0

The Acceleration, the Unit Tangent, and the Principal Unit Normal