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Q: Science ( No Answer,   1 Comment )
Question  
Subject: Science
Category: Science
Asked by: dtran-ga
List Price: $3.00		 Posted: 29 Oct 2005 23:12 PDT
Expires: 28 Nov 2005 22:12 PST
Question ID: 586611 
Two vectors have magnitudes V1 = 3.5 km and V2 = 7.5 km. What are the
maximum and minimum magnitudes of their vector sum?
Answer  
There is no answer at this time.

Comments  
Subject: Re: Science
From: ticbol-ga on 30 Oct 2005 02:27 PST		  
Maximum if they are pointed at the same direction.
Resultant, max. R = 3.5 +7.5 = 11.0 km.

Minimum if they are pointed at oppsite directions.
Min. R = 7.5 -3.5 = 4.0 km
But that is difference, not sum, you might say.
Okay.
Min. R = 7.5 +(-3.5) = 4.0 km.
Is that allright now?
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