// Numbas version: finer_feedback_settings {"name": "lagrange", "metadata": {"description": "Ejercicios de din\u00e1mica anal\u00edtica", "licence": "Creative Commons Attribution 4.0 International"}, "duration": 120, "percentPass": 0, "showQuestionGroupNames": false, "showstudentname": true, "question_groups": [{"name": "dinamica_analitica", "pickingStrategy": "all-ordered", "pickQuestions": 1, "questions": [{"name": "spring1", "extensions": [], "custom_part_types": [], "resources": ["question-resources/spring.pdf", "question-resources/spring.png", "question-resources/spring_GTDAPou.png"], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Jose Goicolea", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4322/"}], "tags": [], "metadata": {"description": "Lagrangiana de un muelle-masa", "licence": "None specified"}, "statement": "
Cual es el valor de la función Lagrangiana para el sistema de la figura
\n ,
siendo $m=\\var{masa}$ y $k=\\var{rigidez}$
", "advice": "", "rulesets": {}, "variables": {"masa": {"name": "masa", "group": "Ungrouped variables", "definition": "random(6..16)", "description": "", "templateType": "anything"}, "rigidez": {"name": "rigidez", "group": "Ungrouped variables", "definition": "random(4..16)", "description": "", "templateType": "anything"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["masa", "rigidez"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "showCorrectAnswer": true, "showFeedbackIcon": true, "scripts": {}, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "minMarks": 0, "maxMarks": 0, "shuffleChoices": true, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["$L=\\var{masa/2}\\dot x^2-\\var{rigidez/2}x^2$", "$L=\\var{(masa/2)}\\dot x^2-\\var{rigidez/4}x^2$", "$L=-\\var{masa/2}\\dot x^2+\\var{rigidez/2}x^2$", "$L=\\var{masa/4}\\dot x^2-\\var{rigidez/4}x^2$"], "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""]}], "type": "question"}, {"name": "spring2", "extensions": [], "custom_part_types": [], "resources": ["question-resources/spring.pdf", "question-resources/spring.png", "question-resources/spring_GTDAPou.png"], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Jose Goicolea", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4322/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "Cual es el valor de la función Lagrangiana para el sistema de la figura
\n