Posted by **Ashley** on Friday, September 20, 2013 at 9:30am.

A vector has an x-component of

−25.5

units and a y-component of 56.0 units. Find the magnitude and direction of the vector.Direction

° (counterclockwise from the +x-axis)

- Physics -
**Henry **, Wednesday, September 25, 2013 at 3:51pm
Y/X = 56/-25.5 = -2.19608

Ar = -65.5o = Rerence angle.

A = -65.5 + 180 = 114.5o = Direction.

Mag. = Y/sinA = 56/sin114.5 = 61.5 Units

NOTE: If you draw the vector diagram showing 56 on the positive Y-axis and -25.5 on the negative X-axis, you can see that the Direction lies between 90

and 180o. Therefore, -65.5o cannot be the direction.

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