Vector = 1.00 î + -2.00 ĵ and vector = 3.00 î + 4.00 ĵ. What are the magnitude and direction of vector = + ?
A) 7.21 in a direction 33.7° counterclockwise from the positive x axis
B) 6.00 in a direction 63.4° counterclockwise from the positive x axis
C) 4.47 in a direction 6.34° counterclockwise from the positive x axis
D) 4.47 in a direction 26.6° counterclockwise from the positive x axis
E) 7.21 in a direction 56.3° counterclockwise from the positive x axis

Question

Vector  = 1.00 î + -2.00 ĵ and vector  = 3.00 î + 4.00 ĵ. What are the magnitude and direction of vector  =  +  ?
A) 7.21 in a direction 33.7° counterclockwise from the positive x axis 
B) 6.00 in a direction 63.4° counterclockwise from the positive x axis 
C) 4.47 in a direction 6.34° counterclockwise from the positive x axis 
D) 4.47 in a direction 26.6° counterclockwise from the positive x axis 
E) 7.21 in a direction 56.3° counterclockwise from the positive x axis

Quizplus · Accepted Answer

The Answer of Vector  = 1.00 î + -2.00 ĵ and vector  = 3.00 î + 4.00 ĵ. What are the magnitude and direction of vector  =  +  ?
A) 7.21 in a direction 33.7° counterclockwise from the positive x axis 
B) 6.00 in a direction 63.4° counterclockwise from the positive x axis 
C) 4.47 in a direction 6.34° counterclockwise from the positive x axis 
D) 4.47 in a direction 26.6° counterclockwise from the positive x axis 
E) 7.21 in a direction 56.3° counterclockwise from the positive x axis