The figure shows three displacement vectors A, B, and C. These vectors are arranged in tail-to-head fashion, and they add together to give a resultant displacement R, which lies along the x axis. Note that vector B is parallel to the x axis. What is (a) the magnitude of vector A and (b) its directional angle ? +y B 7.00 m 21.0m で A R 52.0% 31.0m (a) Number i Units (b) Number Units

Elements Of Electromagnetics
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The figure shows three displacement vectors A, B, and C. These vectors are arranged in tail-to-head fashion, and they add together
to give a resultant displacement R, which lies along the x axis. Note that vector B is parallel to the x axis. What is (a) the magnitude of
vector A and (b) its directional angle ?
+y
B
7.00 m
21.0m
で
A
R
52.0%
31.0m
(a) Number
i
Units
(b) Number
Units
Transcribed Image Text:The figure shows three displacement vectors A, B, and C. These vectors are arranged in tail-to-head fashion, and they add together to give a resultant displacement R, which lies along the x axis. Note that vector B is parallel to the x axis. What is (a) the magnitude of vector A and (b) its directional angle ? +y B 7.00 m 21.0m で A R 52.0% 31.0m (a) Number i Units (b) Number Units
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