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<h5>FR-ED-03</h5> <p>Una masa que pesa #p libras se une a un resorte cuya constante es #k lb/pie. ¿Cuál es el periodo del movimiento armónico simple?</p>
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<p>Se debe encontrar la ecuación del movimiento libre no amortiguado, para esto primero es necesario conocer la masa a partir del peso, que se obtiene de «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»m«/mi»«mo»=«/mo»«mfrac»«mi»P«/mi»«mi»g«/mi»«/mfrac»«/math», entonces «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»m«/mi»«mo»=«/mo»«mo»#«/mo»«mi»m«/mi»«/math»</p> <p>Así, la ecuación del movimiento libre no amortiguado es </p> <p>#eq</p> <p>Cuya solución es</p> <p>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»(«/mo»«mi»t«/mi»«mo»)«/mo»«mo»=«/mo»«mo»#«/mo»«mi»e«/mi»«mi»q«/mi»«mn»2«/mn»«/math»</p> <p>Se sabe que «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»w«/mi»«mo»=«/mo»«mo»#«/mo»«mi»w«/mi»«/math»</p> <p>Y utilizando «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»T«/mi»«mo»=«/mo»«mfrac»«mrow»«mn»2«/mn»«mi»§#960;«/mi»«/mrow»«mi»w«/mi»«/mfrac»«/math»</p>
No, case is unimportant
Yes, case must match
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83.33333%
80%
75%
70%
66.66667%
60%
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40%
33.33333%
30%
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20%
16.66667%
14.28571%
12.5%
11.11111%
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5%
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