The Vector $\overrightarrow { \mathrm { A } }$ Has Components +5 and +7 Along the X and Y

question 63

Multiple Choice

The vector $\overrightarrow { \mathrm { A } }$ has components +5 and +7 along the x and y axes respectively.Along a set of axes rotated 90 degrees counterclockwise relative to the original axes,the vector's components are

• A)-7;-5.
• B)7;-5.
• C)-7;5.
• D)7;5.
• E)7;0.

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