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

- Physics -
**Lauren**, Tuesday, September 20, 2011 at 7:35pm
I believe it is as follows:

a) x=0

b) y=0

the mag of x would be equal, but in the neg directioin

c)x=0

and the mag of x is = to the origional

d) all apply except mag of x does not equal 0

as a disclaimer i did not do the math to solve this, but you could use trig to check these answers

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