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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


For the three vectors shown in the figure, the vector sum D? =A? +B? +C? has components Dx = 2 and Dy = 0.(Figure 1). no title provided 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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