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November 01, 2025, 03:19:36 pm
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Author Topic: Particles  (Read 611 times)  Share 

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sajib_mostofa

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Particles
« on: October 31, 2010, 07:41:38 pm »
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When you are given the position vectors of two particles and your are asked to find when they are nearest to each other, how do you go about solving it?
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superflya

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Re: Particles
« Reply #1 on: October 31, 2010, 07:42:47 pm »
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perpendicular. dot product, equate to zero??
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2010- English, Methods (CAS), Physics, Specialist, Chem.
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kyzoo

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Re: Particles
« Reply #2 on: October 31, 2010, 07:51:29 pm »
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If position of particle 1 is A, and the position of the other particle is B, find the vector AB in terms of t. Then find |AB|. Then use differentiation to find the minimum value of |AB|
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sajib_mostofa

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Re: Particles
« Reply #3 on: October 31, 2010, 07:55:02 pm »
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Quote from: kyzoo on October 31, 2010, 07:51:29 pm
If position of particle 1 is A, and the position of the other particle is B, find the vector AB in terms of t. Then find |AB|. Then use differentiation to find the minimum value of |AB|

Yeah I get the right answer with that. Cheers for that Kyzoo
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