A. 20N, 45°E
B. 20N, 45°W
C. 10√2N, 45°W
D. 10√2N, 45°E
Correct Answer:
Option D = 10√2N, 45°E
Explanation
From Pythagoras,
R2 = 102 + 102
= 100 + 100
= 200
therefore R = √200 = √2 x 100
= 10√2, in the direction 45°E
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