document.write( "Question 197435: Hi! I'm having trouble with part \"c\" on this word problem:\r
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document.write( "Hooke's Law states that the force needed to keep a spring stretched x units beyond its natural length is directly proportional to x. \r
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document.write( "(a) Write Hooke's Law as an equation. Use k for the constant of proportionality\r
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document.write( "(b) If a spring has a natural length of 8 cm and a force of F = 48 N is required to maintain the spring stretched to a length of 16 cm, find the spring constant\r
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document.write( "(c) What force is needed to keep the spring stretched to a length of 14 cm?\r
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document.write( "thanks!\r
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Algebra.Com's Answer #148055 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! (a) F = k * x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(b) 48 = k * (16-8) ___ 48 = k * 8 \n" ); document.write( "dividing by 8 ___ 6 = k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(c) F = 6 * (14-8) ___ F = 6 * 6 ___ F = 36 \n" ); document.write( " |