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If Vector C→\overrightarrow { \mathrm { C } } Is Added to Vector

Question 47

Multiple Choice

If vector C→\overrightarrow { \mathrm { C } } is added to vector D→\overrightarrow { \mathrm { D } } ,the result is a third vector that is perpendicular to D→\overrightarrow { \mathrm { D } } and has a magnitude equal to 3 D→\overrightarrow { \mathrm { D } } .What is the ratio of the magnitude of C→\overrightarrow { \mathrm { C } } to that of D→\overrightarrow { \mathrm { D } } ?


A) 1.8
B) 2.2
C) 3.2
D) 1.3
E) 1.6

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