If the vectors and have magnitudes of 10 and 11, respectively, and the scalar product of these two vectors is −100, what is the magnitude of the sum of these two vectors?
A)6.6
B)4.6
C)8.3
D)9.8
E)7.6

Question

If the vectors  and  have magnitudes of 10 and 11, respectively, and the scalar product of these two vectors is −100, what is the magnitude of the sum of these two vectors?
A)6.6 
B)4.6 
C)8.3 
D)9.8 
E)7.6

Quizplus · Accepted Answer

The Answer of If the vectors  and  have magnitudes of 10 and 11, respectively, and the scalar product of these two vectors is −100, what is the magnitude of the sum of these two vectors?
A)6.6 
B)4.6 
C)8.3 
D)9.8 
E)7.6

If the Vectors and Have Magnitudes of 10