Express your answer as an integer. What is the x -component of vector B ? ? What
ID: 2273513 • Letter: E
Question
Express your answer as an integer.
What is the x-component of vector B? ?
What is the y-component of vector B? ?
What is the magnitude of vector B? ?
What is the direction of vector B? ??
degrees above the ?x -axes
Explanation / Answer
D = A + B + C
x-components
2 = 0 + 0+ Bx
Bx = -2 i
y-components
0 = -2 + 0+ By
By = 2j
Magnitude |B| = sqrt(2^2 + 2^2) = 2.828
Direction theta = arctan(-1) = 180 - 45 = 135 deg above +ve x-axis
Direction = 45 deg above -ve x-axis
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