document.write( "Question 363895: Evening Everyone, Staying in on a saturday night doing work as a good student but stuck on this question
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document.write( "a) Explain the distinction between a position vector and more general free vector.\r
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document.write( "b) State the position vectors in terms of i and j of the points with coordinates\r
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document.write( "i) P(4,7)
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document.write( "ii) Q(-3,5)
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document.write( "iii) R(0,3)
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document.write( "iv) S(-1,0)\r
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document.write( "and finally
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document.write( "State the Cartesian coordinates of the point P if its position vector is (all i's and j's have ^)
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document.write( "i) 3i-7j
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document.write( "ii)-4j
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document.write( "iii) -1/2i+13j
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document.write( "iv) ai+bj\r
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document.write( "Thanks in advance \n" );
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Algebra.Com's Answer #259537 by stanbon(75887) ![]() You can put this solution on YOUR website! a) Explain the distinction between a position vector and more general free vector. \n" ); document.write( "--- \n" ); document.write( "A position vector has it origin at the origin (0,0) \n" ); document.write( "A free vector may have its origin at any point other than (0,0)\r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "b) State the position vectors in terms of i and j of the points with coordinates \n" ); document.write( "i) P(4,7) = 4i+uj \n" ); document.write( "---- \n" ); document.write( "ii) Q(-3,5)= -3i+5j \n" ); document.write( "etc. \n" ); document.write( "iii) R(0,3) \n" ); document.write( "iv) S(-1,0) \n" ); document.write( "======================= \n" ); document.write( "and finally \n" ); document.write( "State the Cartesian coordinates of the point P if its position vector is (all i's and j's have ^) \n" ); document.write( "i) 3i-7j = (3,-7) \n" ); document.write( "ii)-4j = (0,-4) \n" ); document.write( "etc. \n" ); document.write( "iii) -1/2i+13j \n" ); document.write( "iv) ai+bj = (a,b) \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |