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November 01, 2025, 03:14:49 pm
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Author Topic: Vector question - help would be appreciated!  (Read 908 times)  Share 

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Andiio

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Vector question - help would be appreciated!
« on: January 01, 2011, 02:41:43 pm »
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Why does the addition of those 2 vectors bisect theta?

Am I missing something simple? :S

Thanks!
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Mao

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Re: Vector question - help would be appreciated!
« Reply #1 on: January 01, 2011, 02:43:03 pm »
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Draw parallelogram. :)

I meant rhombus. Note that both are unit vectors.
« Last Edit: January 01, 2011, 02:44:43 pm by Mao »
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Andiio

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Re: Vector question - help would be appreciated!
« Reply #2 on: January 01, 2011, 02:43:55 pm »
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Quote from: Mao on January 01, 2011, 02:43:03 pm
Draw parallelogram. :)

Consider myself FACEPALM'D LOL.

Thanks Mao!
It's just the diagonal of the parallelogram, right?
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Mao

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Re: Vector question - help would be appreciated!
« Reply #3 on: January 01, 2011, 02:46:57 pm »
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Quote from: Andiio on January 01, 2011, 02:43:55 pm
Quote from: Mao on January 01, 2011, 02:43:03 pm
Draw parallelogram. :)

Consider myself FACEPALM'D LOL.

Thanks Mao!
It's just the diagonal of the parallelogram, right?
Yes, the diagonal is the sum, but bisection is only for
Rhombus*, this only works if they have the same magnitude (which is true in this case, both are unit vectors)

If they have different magnitudes, you''re more or less fucked :P
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Andiio

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Re: Vector question - help would be appreciated!
« Reply #4 on: January 01, 2011, 02:49:26 pm »
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Quote from: Mao on January 01, 2011, 02:46:57 pm
Quote from: Andiio on January 01, 2011, 02:43:55 pm
Quote from: Mao on January 01, 2011, 02:43:03 pm
Draw parallelogram. :)

Consider myself FACEPALM'D LOL.

Thanks Mao!
It's just the diagonal of the parallelogram, right?
Yes, the diagonal is the sum, but bisection is only for
Rhombus*, this only works if they have the same magnitude (which is true in this case, both are unit vectors)

If they have different magnitudes, you''re more or less fucked :P

Haha yeah *rhombus. Thanks Mao!

..Hoping it doesn't come to that. :P
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2011: English [47] | Mathematical Methods CAS [41]| Specialist Mathematics [38] | Chemistry [40] | Physics [37]
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