1º BACHILLERATO/QUÍMICA/ATOMO/PLANCK
Calcula le energía cinética
Calcula la energía cinética (en Julios) de los electrones que emite un metal si su frecuencia umbral es d e#fu ·109 Hz y lo iluminamos con una radiación de #fi·109 Hz]]>
1.0000000
0.3333333
0
0
#ec ]]>
<question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mrow style="color:#ffc800"><mtext xml:lang="es">variables</mtext><mi>fu</mi><mo>=</mo></mrow><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>fu</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>12</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>fi</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>14</mn><mo>,</mo><mn>20</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>ec</mi><mo>=</mo><mo>(</mo><mn>6</mn><mo>.</mo><mn>625</mn><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mn>34</mn></mrow></msup><mo>)</mo><mo>*</mo><msup><mn>10</mn><mn>9</mn></msup><mo>*</mo><mo>(</mo><mi>fi</mi><mo>-</mo><mi>fu</mi><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo> </mo><mo>#</mo><mi mathvariant="normal">e</mi><mi>c</mi><mo> </mo></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question>