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3-1.Vectors
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કણ $P (2,3,5)$ બિંદુથી $Q (3,4,5)$ બિંદુ સુધી ગતિ કરે,તો સ્થાનાંતર સદિશ
A$\hat i + \hat j + 10\hat k$
B$\hat i + \hat j + 5\hat k$
C$\hat i + \hat j$
D$2\hat i + 4\hat j + 6\hat k$
Solution
$\overrightarrow {r\,} = \Delta x\hat i + \Delta y\hat j + \Delta z\hat k$$ = (3 – 2)\hat i + (4 – 3)\hat j + (5 – 5)\hat k$$ = \hat i + \hat j$
Standard 11
Physics