Physics
posted by Panda .
partscoretotalsubmissions110/1210/1310/1410/14The 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

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 
Baba ji ka thullu

Baba ji ka thullu
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