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August 1, 2015

Homework Help: Physics

Posted by Panda on Monday, May 7, 2007 at 10:23am.

partscoretotalsubmissions1--10/12--10/13--10/14--10/1----4--The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the x and y components of the vector compare to the size of the original vector for the following rotational angles. (Select all that apply.)
(a) 90
x has zero magnitude
y has zero magnitude
magnitude of x components is equal to magnitude of the original vector
magnitude of y components is equal to magnitude of the original vector

(b) 180
x has zero magnitude
y has zero magnitude
magnitude of x components is equal to magnitude of the original vector
magnitude of y components is equal to magnitude of the original vector

(c) 270
x has zero magnitude
y has zero magnitude
magnitude of x components is equal to magnitude of the original vector
magnitude of y components is equal to magnitude of the original vector

(d) 360
x has zero magnitude
y has zero magnitude
magnitude of x components is equal to magnitude of the original vector
magnitude

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