# Mastering Physics 1

## Unlock all answers in this set

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Ax = 2.5
What is the x component of A? ?
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Ay = 3
What is the y component of A? ?
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By = -3
What is the y component of B? ?
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Cx = -2
What is the x component of C? ?
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Bx, By = 2,-3
In ordered pair notation, write down the components of vector B? .
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Dx, Dy = 2,-3
In ordered pair notation, write down the components of vector D? .
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-They are the same vectors
What is true about B? and D? ? Choose from the pulldown list below. -They are the same vectors -They have different components and are not the same vectors -They have the same components but are not the same vectors.
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A+C> A+B =A+D > D =F+C >A+E
Rank the vector combinations on the basis of their magnitude. A+C, A+B, A+D, A+E, F+C, D
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A+B>F+C=D>A+D>A+E=A+C
Rank the vector combinations on the basis of their angle, measured counterclockwise from the positive x axis. Vectors parallel to the positive x axis have an angle of 0? . All angle measures fall between 0? and 360? A+C, A+B, A+D, A+E, F+C, D
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-10
Let vectors A? =(2,1,?4), B? =(?3,0,1), and C? =(?1,?1,2). A? ?B? =
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Let vectors A? =(2,1,?4), B? =(?3,0,1), and C? =(?1,?1,2). What is the angle ?AB between A? and B? ?
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30
Let vectors A? =(2,1,?4), B? =(?3,0,1), and C? =(?1,?1,2). 2B? ?3C? =
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30
Let vectors A? =(2,1,?4), B? =(?3,0,1), and C? =(?1,?1,2). 2(B? ?3C? ) =
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A? ?(B? +C? )
Let vectors A? =(2,1,?4), B? =(?3,0,1), and C? =(?1,?1,2). Which of the following can be computed? A? ?B? ?C? A? ?(B? ?C? ) A? ?(B? +C? ) 3?A?
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V1V2
V? 1 and V? 2 are different vectors with lengths V1 and V2 respectively. Find the following: V? 1?V? 2 =
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V1V2
V? 1 and V? 2 are different vectors with lengths V1 and V2 respectively. Find the following: If V? 1 and V? 2 are parallel, V? 1?V? 2 =
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4,5,-17
Let vectors A? =(1,0,?3), B? =(?2,5,1), and C? =(3,1,1). B? รC? =
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-4,-5,17
Let vectors A? =(1,0,?3), B? =(?2,5,1), and C? =(3,1,1). C? รB? =
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24,30,-102
Let vectors A? =(1,0,?3), B? =(?2,5,1), and C? =(3,1,1). (2B? )ร(3C? ) =
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15,5,5
Let vectors A? =(1,0,?3), B? =(?2,5,1), and C? =(3,1,1). A? ร(B? รC? ) =
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55