If two collinear vectors and are added, the resultant has a magnitude equal to 4.0. If is subtracted from , the resultant has a magnitude equal to 8.0. What is the magnitude of ?
A) 2.0
B) 3.0
C) 4.0
D) 5.0
E) 6.0

Question

If two collinear vectors  and  are added, the resultant has a magnitude equal to 4.0. If  is subtracted from  , the resultant has a magnitude equal to 8.0. What is the magnitude of  ?
A) 2.0 
B) 3.0 
C) 4.0 
D) 5.0 
E) 6.0

Quizplus · Accepted Answer

The Answer of If two collinear vectors  and  are added, the resultant has a magnitude equal to 4.0. If  is subtracted from  , the resultant has a magnitude equal to 8.0. What is the magnitude of  ?
A) 2.0 
B) 3.0 
C) 4.0 
D) 5.0 
E) 6.0

If Two Collinear Vectors and Are Added, the Resultant