[{"isEmailConfirmed":true,"tel":"","ip":"0.0.0.0","ipLocation":{"ip":"","sDate":3,"postalCode":"","country":"","countryIsoCode":"","federalDistrict":"","region":"","regionType":"","city":"","cityType":"","geoLat":"","geoLon":"","locationString":""},"birthDate":"0001-01-01T00:00:00","age":0,"isBirthdayToday":false,"ban":{"id":0,"userId":0,"isBanned":false,"startDate":"0001-01-01T00:00:00","endDate":"0001-01-01T00:00:00","moder":{"id":0,"name":"Неизвестный","email":"нет адреса","role":0,"roleString":"Неподтвержден","roleIcon":"fa-user-clock","registDate":"0001-01-01T00:00:00","lastDate":"0001-01-01T00:00:00","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isValid":false,"isLoggedIn":false,"isUnconfirmed":true,"isConfirmed":false,"isNewUser":false,"isExisted":false,"isExpert":false,"isRfproUserClass":false},"reasonHTML":"","timeToUnbanString":"-10 мин."},"isBanned":false,"roleString":"Мастер-Эксперт","roleIcon":"fa-user-ninja","socialMedia":[],"aboutText":"","aboutHTML":"","signatureText":"Facta loquuntur.","signatureHTML":"Facta loquuntur.","country":{"id":0,"name":"","isFlagExists":false,"flagImage":"","isValid":false},"city":{"id":0,"name":"","countryId":0,"yandexCityId":0,"isValid":false},"averageEvaluation":4.979,"absoluteRating":109927,"dynamicRating":1677.628,"dynamicRatingStars":10,"timezone":{"id":0,"baseUtcOffset":"00:00:00","displayName":"[не установлен]","linuxid":"notset/clean"},"currentDateTime":"2024-04-26T06:10:44.277048+03:00","isValid":true,"isUnconfirmed":false,"isConfirmed":true,"settings":{"fixedHeader":true,"fixedFooter":true,"leftColumnMode":2,"darkTheme":false,"topPanelBtns":[{"id":103,"text":"Главная","title":"Главная (начальная) страница Портала","icon":"fa-solid fa-house-chimney","colorClass":"text-info-emphasis","controller":"Home","action":"Index","accessLevel":0,"isDropdown":false},{"id":100,"text":"Вход в систему","title":"Войти в систему с использованием своих регистрационных данных (адрес электронной почты и пароль)","icon":"fa-solid fa-arrow-right-to-bracket","colorClass":"text-info-emphasis","controller":"Login","action":"Index","accessLevel":0,"isDropdown":false},{"id":101,"text":"Регистрация","title":"Зарегистрироваться в системе и стать полноценным участником сообщества","icon":"fa-solid fa-user-plus","colorClass":"text-info-emphasis","controller":"Regist","action":"Index","accessLevel":0,"isDropdown":false},{"id":102,"text":"Сброс пароля","title":"Сбросить пароль свой учетной записи, если Вы его забыли","icon":"fa-solid fa-key","colorClass":"text-danger-emphasis","controller":"Login","action":"ResetPassword","accessLevel":0,"isDropdown":false}],"topPanelBtnsHideText":false},"isLevelUpAllowed":false,"nextRole":11,"counters":{"daysAtPortal":6552,"questions":12,"questionsPosts":18345,"questionsAnswers":6663,"questionsPostsEvaluations":2831,"forumPosts":5698},"isRfproUserClass":true,"id":17387,"name":"Гордиенко Андрей Владимирович","email":"","role":10,"registDate":"1000-01-01T00:00:00","lastDate":"2024-04-26T09:04:07","photo":"users/17387/f4979bc95a484b9f43f75cfe66538acd.jpg","lastDateIndicatorClass":"green","lastDateIndicatorText":"в сети","photoPreview200":"users/17387/200_f4979bc95a484b9f43f75cfe66538acd.jpg","photoPreview120":"users/17387/120_f4979bc95a484b9f43f75cfe66538acd.jpg","photoPreview100":"users/17387/100_f4979bc95a484b9f43f75cfe66538acd.jpg","photoPreview80":"users/17387/80_f4979bc95a484b9f43f75cfe66538acd.jpg","photoPreview40":"users/17387/40_f4979bc95a484b9f43f75cfe66538acd.jpg","isPhotoExists":true,"isLoggedIn":true,"isNewUser":false,"isExisted":true,"isExpert":true},{"isEmailConfirmed":true,"tel":"","ip":"0.0.0.0","ipLocation":{"ip":"","sDate":3,"postalCode":"","country":"","countryIsoCode":"","federalDistrict":"","region":"","regionType":"","city":"","cityType":"","geoLat":"","geoLon":"","locationString":""},"birthDate":"0001-01-01T00:00:00","age":0,"isBirthdayToday":false,"ban":{"id":0,"userId":0,"isBanned":false,"startDate":"0001-01-01T00:00:00","endDate":"0001-01-01T00:00:00","moder":{"id":0,"name":"Неизвестный","email":"нет адреса","role":0,"roleString":"Неподтвержден","roleIcon":"fa-user-clock","registDate":"0001-01-01T00:00:00","lastDate":"0001-01-01T00:00:00","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isValid":false,"isLoggedIn":false,"isUnconfirmed":true,"isConfirmed":false,"isNewUser":false,"isExisted":false,"isExpert":false,"isRfproUserClass":false},"reasonHTML":"","timeToUnbanString":"-10 мин."},"isBanned":false,"roleString":"Мастер-Эксперт","roleIcon":"fa-user-ninja","socialMedia":[],"aboutText":"Я пенсионер. Образование высш, радио-инж. Работал инж-электроником, ведущим средств телевидения, связи, слесарем и инженером КИП, грузчиком, программистом. На моём счету десятки рац-предложений, в тч с большим экономич эффектом.\nЯ люблю компьютеры, ремонтирую их друзьям и соседям. Пишу полезные программки в vbs-файлах, автоматизирующие настройку Win-систем, приложений и работу с ними.","aboutHTML":"Я пенсионер. Образование высш, радио-инж. Работал инж-электроником, ведущим средств телевидения, связи, слесарем и инженером КИП, грузчиком, программистом. На моём счету десятки рац-предложений, в тч с большим экономич эффектом.\u003Cbr\u003EЯ люблю компьютеры, ремонтирую их друзьям и соседям. Пишу полезные программки в vbs-файлах, автоматизирующие настройку Win-систем, приложений и работу с ними.","signatureText":"","signatureHTML":"","country":{"id":0,"name":"","isFlagExists":false,"flagImage":"","isValid":false},"city":{"id":0,"name":"","countryId":0,"yandexCityId":0,"isValid":false},"averageEvaluation":4.935,"absoluteRating":25753,"dynamicRating":461.115,"dynamicRatingStars":8,"timezone":{"id":0,"baseUtcOffset":"00:00:00","displayName":"[не установлен]","linuxid":"notset/clean"},"currentDateTime":"2024-04-26T06:10:44.2772397+03:00","isValid":true,"isUnconfirmed":false,"isConfirmed":true,"settings":{"fixedHeader":true,"fixedFooter":true,"leftColumnMode":2,"darkTheme":false,"topPanelBtns":[{"id":103,"text":"Главная","title":"Главная (начальная) страница Портала","icon":"fa-solid fa-house-chimney","colorClass":"text-info-emphasis","controller":"Home","action":"Index","accessLevel":0,"isDropdown":false},{"id":100,"text":"Вход в систему","title":"Войти в систему с использованием своих регистрационных данных (адрес электронной почты и пароль)","icon":"fa-solid fa-arrow-right-to-bracket","colorClass":"text-info-emphasis","controller":"Login","action":"Index","accessLevel":0,"isDropdown":false},{"id":101,"text":"Регистрация","title":"Зарегистрироваться в системе и стать полноценным участником сообщества","icon":"fa-solid fa-user-plus","colorClass":"text-info-emphasis","controller":"Regist","action":"Index","accessLevel":0,"isDropdown":false},{"id":102,"text":"Сброс пароля","title":"Сбросить пароль свой учетной записи, если Вы его забыли","icon":"fa-solid fa-key","colorClass":"text-danger-emphasis","controller":"Login","action":"ResetPassword","accessLevel":0,"isDropdown":false}],"topPanelBtnsHideText":false},"isLevelUpAllowed":false,"nextRole":11,"counters":{"daysAtPortal":5585,"questions":25,"questionsPosts":7459,"questionsAnswers":1225,"questionsPostsEvaluations":788,"forumPosts":399},"isRfproUserClass":true,"id":259041,"name":"Алексеев Владимир Николаевич","email":"","role":10,"registDate":"1000-01-01T00:00:00","lastDate":"2024-01-30T15:24:45","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isLoggedIn":true,"isNewUser":false,"isExisted":true,"isExpert":true},{"isEmailConfirmed":true,"tel":"","ip":"0.0.0.0","ipLocation":{"ip":"","sDate":3,"postalCode":"","country":"","countryIsoCode":"","federalDistrict":"","region":"","regionType":"","city":"","cityType":"","geoLat":"","geoLon":"","locationString":""},"birthDate":"0001-01-01T00:00:00","age":0,"isBirthdayToday":false,"ban":{"id":0,"userId":0,"isBanned":false,"startDate":"0001-01-01T00:00:00","endDate":"0001-01-01T00:00:00","moder":{"id":0,"name":"Неизвестный","email":"нет адреса","role":0,"roleString":"Неподтвержден","roleIcon":"fa-user-clock","registDate":"0001-01-01T00:00:00","lastDate":"0001-01-01T00:00:00","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isValid":false,"isLoggedIn":false,"isUnconfirmed":true,"isConfirmed":false,"isNewUser":false,"isExisted":false,"isExpert":false,"isRfproUserClass":false},"reasonHTML":"","timeToUnbanString":"-10 мин."},"isBanned":false,"roleString":"Старший Модератор","roleIcon":"fa-user-tie","socialMedia":[],"aboutText":"634034, г.Томск, ул.Красноармейская 122, кв.173","aboutHTML":"634034, г.Томск, ул.Красноармейская 122, кв.173","signatureText":"","signatureHTML":"","country":{"id":0,"name":"","isFlagExists":false,"flagImage":"","isValid":false},"city":{"id":0,"name":"","countryId":0,"yandexCityId":0,"isValid":false},"averageEvaluation":4.985,"absoluteRating":21746,"dynamicRating":412.681,"dynamicRatingStars":8,"timezone":{"id":0,"baseUtcOffset":"00:00:00","displayName":"[не установлен]","linuxid":"notset/clean"},"currentDateTime":"2024-04-26T06:10:44.2773897+03:00","isValid":true,"isUnconfirmed":false,"isConfirmed":true,"settings":{"fixedHeader":true,"fixedFooter":true,"leftColumnMode":2,"darkTheme":false,"topPanelBtns":[{"id":103,"text":"Главная","title":"Главная (начальная) страница Портала","icon":"fa-solid fa-house-chimney","colorClass":"text-info-emphasis","controller":"Home","action":"Index","accessLevel":0,"isDropdown":false},{"id":100,"text":"Вход в систему","title":"Войти в систему с использованием своих регистрационных данных (адрес электронной почты и пароль)","icon":"fa-solid fa-arrow-right-to-bracket","colorClass":"text-info-emphasis","controller":"Login","action":"Index","accessLevel":0,"isDropdown":false},{"id":101,"text":"Регистрация","title":"Зарегистрироваться в системе и стать полноценным участником сообщества","icon":"fa-solid fa-user-plus","colorClass":"text-info-emphasis","controller":"Regist","action":"Index","accessLevel":0,"isDropdown":false},{"id":102,"text":"Сброс пароля","title":"Сбросить пароль свой учетной записи, если Вы его забыли","icon":"fa-solid fa-key","colorClass":"text-danger-emphasis","controller":"Login","action":"ResetPassword","accessLevel":0,"isDropdown":false}],"topPanelBtnsHideText":false},"isLevelUpAllowed":false,"nextRole":13,"counters":{"daysAtPortal":5269,"questions":1,"questionsPosts":1973,"questionsAnswers":1283,"questionsPostsEvaluations":588,"forumPosts":91},"isRfproUserClass":true,"id":312929,"name":"Коцюрбенко Алексей Владимирович","email":"","role":12,"registDate":"1000-01-01T00:00:00","lastDate":"2023-11-05T17:20:40","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isLoggedIn":true,"isNewUser":false,"isExisted":true,"isExpert":true},{"isEmailConfirmed":true,"tel":"","ip":"0.0.0.0","ipLocation":{"ip":"","sDate":3,"postalCode":"","country":"","countryIsoCode":"","federalDistrict":"","region":"","regionType":"","city":"","cityType":"","geoLat":"","geoLon":"","locationString":""},"birthDate":"0001-01-01T00:00:00","age":0,"isBirthdayToday":false,"ban":{"id":0,"userId":0,"isBanned":false,"startDate":"0001-01-01T00:00:00","endDate":"0001-01-01T00:00:00","moder":{"id":0,"name":"Неизвестный","email":"нет адреса","role":0,"roleString":"Неподтвержден","roleIcon":"fa-user-clock","registDate":"0001-01-01T00:00:00","lastDate":"0001-01-01T00:00:00","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isValid":false,"isLoggedIn":false,"isUnconfirmed":true,"isConfirmed":false,"isNewUser":false,"isExisted":false,"isExpert":false,"isRfproUserClass":false},"reasonHTML":"","timeToUnbanString":"-10 мин."},"isBanned":false,"roleString":"Советник","roleIcon":"fa-user-ninja","socialMedia":[],"aboutText":"","aboutHTML":"","signatureText":"","signatureHTML":"","country":{"id":0,"name":"","isFlagExists":false,"flagImage":"","isValid":false},"city":{"id":0,"name":"","countryId":0,"yandexCityId":0,"isValid":false},"averageEvaluation":5,"absoluteRating":9460,"dynamicRating":387.305,"dynamicRatingStars":8,"timezone":{"id":0,"baseUtcOffset":"00:00:00","displayName":"[не установлен]","linuxid":"notset/clean"},"currentDateTime":"2024-04-26T06:10:44.2774764+03:00","isValid":true,"isUnconfirmed":false,"isConfirmed":true,"settings":{"fixedHeader":true,"fixedFooter":true,"leftColumnMode":2,"darkTheme":false,"topPanelBtns":[{"id":103,"text":"Главная","title":"Главная (начальная) страница Портала","icon":"fa-solid fa-house-chimney","colorClass":"text-info-emphasis","controller":"Home","action":"Index","accessLevel":0,"isDropdown":false},{"id":100,"text":"Вход в систему","title":"Войти в систему с использованием своих регистрационных данных (адрес электронной почты и пароль)","icon":"fa-solid fa-arrow-right-to-bracket","colorClass":"text-info-emphasis","controller":"Login","action":"Index","accessLevel":0,"isDropdown":false},{"id":101,"text":"Регистрация","title":"Зарегистрироваться в системе и стать полноценным участником сообщества","icon":"fa-solid fa-user-plus","colorClass":"text-info-emphasis","controller":"Regist","action":"Index","accessLevel":0,"isDropdown":false},{"id":102,"text":"Сброс пароля","title":"Сбросить пароль свой учетной записи, если Вы его забыли","icon":"fa-solid fa-key","colorClass":"text-danger-emphasis","controller":"Login","action":"ResetPassword","accessLevel":0,"isDropdown":false}],"topPanelBtnsHideText":false},"isLevelUpAllowed":false,"nextRole":10,"counters":{"daysAtPortal":2442,"questions":0,"questionsPosts":472,"questionsAnswers":398,"questionsPostsEvaluations":298,"forumPosts":1},"isRfproUserClass":true,"id":401284,"name":"Михаил Александров","email":"","role":9,"registDate":"1000-01-01T00:00:00","lastDate":"2024-04-21T19:50:04","photo":"users/401284/48171011af39b6bb3a74df8c0fcf97d0.jpg","lastDateIndicatorClass":"red","lastDateIndicatorText":"давно","photoPreview200":"users/401284/200_48171011af39b6bb3a74df8c0fcf97d0.jpg","photoPreview120":"users/401284/120_48171011af39b6bb3a74df8c0fcf97d0.jpg","photoPreview100":"users/401284/100_48171011af39b6bb3a74df8c0fcf97d0.jpg","photoPreview80":"users/401284/80_48171011af39b6bb3a74df8c0fcf97d0.jpg","photoPreview40":"users/401284/40_48171011af39b6bb3a74df8c0fcf97d0.jpg","isPhotoExists":true,"isLoggedIn":true,"isNewUser":false,"isExisted":true,"isExpert":true},{"isEmailConfirmed":true,"tel":"","ip":"0.0.0.0","ipLocation":{"ip":"","sDate":3,"postalCode":"","country":"","countryIsoCode":"","federalDistrict":"","region":"","regionType":"","city":"","cityType":"","geoLat":"","geoLon":"","locationString":""},"birthDate":"0001-01-01T00:00:00","age":0,"isBirthdayToday":false,"ban":{"id":0,"userId":0,"isBanned":false,"startDate":"0001-01-01T00:00:00","endDate":"0001-01-01T00:00:00","moder":{"id":0,"name":"Неизвестный","email":"нет адреса","role":0,"roleString":"Неподтвержден","roleIcon":"fa-user-clock","registDate":"0001-01-01T00:00:00","lastDate":"0001-01-01T00:00:00","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isValid":false,"isLoggedIn":false,"isUnconfirmed":true,"isConfirmed":false,"isNewUser":false,"isExisted":false,"isExpert":false,"isRfproUserClass":false},"reasonHTML":"","timeToUnbanString":"-10 мин."},"isBanned":false,"roleString":"Посетитель","roleIcon":"fa-user","socialMedia":[],"aboutText":"","aboutHTML":"","signatureText":"","signatureHTML":"","country":{"id":0,"name":"","isFlagExists":false,"flagImage":"","isValid":false},"city":{"id":0,"name":"","countryId":0,"yandexCityId":0,"isValid":false},"averageEvaluation":4.987,"absoluteRating":6052,"dynamicRating":222.42,"dynamicRatingStars":7,"timezone":{"id":0,"baseUtcOffset":"00:00:00","displayName":"[не установлен]","linuxid":"notset/clean"},"currentDateTime":"2024-04-26T06:10:44.2775519+03:00","isValid":true,"isUnconfirmed":false,"isConfirmed":true,"settings":{"fixedHeader":true,"fixedFooter":true,"leftColumnMode":2,"darkTheme":false,"topPanelBtns":[{"id":103,"text":"Главная","title":"Главная (начальная) страница Портала","icon":"fa-solid fa-house-chimney","colorClass":"text-info-emphasis","controller":"Home","action":"Index","accessLevel":0,"isDropdown":false},{"id":100,"text":"Вход в систему","title":"Войти в систему с использованием своих регистрационных данных (адрес электронной почты и пароль)","icon":"fa-solid fa-arrow-right-to-bracket","colorClass":"text-info-emphasis","controller":"Login","action":"Index","accessLevel":0,"isDropdown":false},{"id":101,"text":"Регистрация","title":"Зарегистрироваться в системе и стать полноценным участником сообщества","icon":"fa-solid fa-user-plus","colorClass":"text-info-emphasis","controller":"Regist","action":"Index","accessLevel":0,"isDropdown":false},{"id":102,"text":"Сброс пароля","title":"Сбросить пароль свой учетной записи, если Вы его забыли","icon":"fa-solid fa-key","colorClass":"text-danger-emphasis","controller":"Login","action":"ResetPassword","accessLevel":0,"isDropdown":false}],"topPanelBtnsHideText":false},"isLevelUpAllowed":false,"nextRole":2,"counters":{"daysAtPortal":2721,"questions":0,"questionsPosts":527,"questionsAnswers":250,"questionsPostsEvaluations":155,"forumPosts":0},"isRfproUserClass":true,"id":400669,"name":"epimkin","email":"","role":1,"registDate":"1000-01-01T00:00:00","lastDate":"2024-02-19T23:46:05","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isLoggedIn":true,"isNewUser":false,"isExisted":true,"isExpert":false},{"isEmailConfirmed":true,"tel":"","ip":"0.0.0.0","ipLocation":{"ip":"","sDate":3,"postalCode":"","country":"","countryIsoCode":"","federalDistrict":"","region":"","regionType":"","city":"","cityType":"","geoLat":"","geoLon":"","locationString":""},"birthDate":"0001-01-01T00:00:00","age":0,"isBirthdayToday":false,"ban":{"id":0,"userId":0,"isBanned":false,"startDate":"0001-01-01T00:00:00","endDate":"0001-01-01T00:00:00","moder":{"id":0,"name":"Неизвестный","email":"нет адреса","role":0,"roleString":"Неподтвержден","roleIcon":"fa-user-clock","registDate":"0001-01-01T00:00:00","lastDate":"0001-01-01T00:00:00","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"gray","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isValid":false,"isLoggedIn":false,"isUnconfirmed":true,"isConfirmed":false,"isNewUser":false,"isExisted":false,"isExpert":false,"isRfproUserClass":false},"reasonHTML":"","timeToUnbanString":"-10 мин."},"isBanned":false,"roleString":"Посетитель","roleIcon":"fa-user","socialMedia":[],"aboutText":"","aboutHTML":"","signatureText":"[i]С уважением[/i]\n[i]shvetski[/i]","signatureHTML":"\u003Ci\u003EС уважением\u003C/i\u003E\u003Cbr\u003E\u003Ci\u003Eshvetski\u003C/i\u003E","country":{"id":0,"name":"","isFlagExists":false,"flagImage":"","isValid":false},"city":{"id":0,"name":"","countryId":0,"yandexCityId":0,"isValid":false},"averageEvaluation":4.963,"absoluteRating":11493,"dynamicRating":201.231,"dynamicRatingStars":7,"timezone":{"id":0,"baseUtcOffset":"00:00:00","displayName":"[не установлен]","linuxid":"notset/clean"},"currentDateTime":"2024-04-26T06:10:44.2776568+03:00","isValid":true,"isUnconfirmed":false,"isConfirmed":true,"settings":{"fixedHeader":true,"fixedFooter":true,"leftColumnMode":2,"darkTheme":false,"topPanelBtns":[{"id":103,"text":"Главная","title":"Главная (начальная) страница Портала","icon":"fa-solid fa-house-chimney","colorClass":"text-info-emphasis","controller":"Home","action":"Index","accessLevel":0,"isDropdown":false},{"id":100,"text":"Вход в систему","title":"Войти в систему с использованием своих регистрационных данных (адрес электронной почты и пароль)","icon":"fa-solid fa-arrow-right-to-bracket","colorClass":"text-info-emphasis","controller":"Login","action":"Index","accessLevel":0,"isDropdown":false},{"id":101,"text":"Регистрация","title":"Зарегистрироваться в системе и стать полноценным участником сообщества","icon":"fa-solid fa-user-plus","colorClass":"text-info-emphasis","controller":"Regist","action":"Index","accessLevel":0,"isDropdown":false},{"id":102,"text":"Сброс пароля","title":"Сбросить пароль свой учетной записи, если Вы его забыли","icon":"fa-solid fa-key","colorClass":"text-danger-emphasis","controller":"Login","action":"ResetPassword","accessLevel":0,"isDropdown":false}],"topPanelBtnsHideText":false},"isLevelUpAllowed":false,"nextRole":2,"counters":{"daysAtPortal":5711,"questions":35,"questionsPosts":1567,"questionsAnswers":588,"questionsPostsEvaluations":324,"forumPosts":44},"isRfproUserClass":true,"id":226425,"name":"Konstantin","email":"","role":1,"registDate":"1000-01-01T00:00:00","lastDate":"2024-04-24T14:38:05","photo":"images/unophoto.png?v=9.4.12","lastDateIndicatorClass":"red","lastDateIndicatorText":"давно","photoPreview200":"images/unophoto.png?v=9.4.12","photoPreview120":"images/unophoto.png?v=9.4.12","photoPreview100":"images/unophoto.png?v=9.4.12","photoPreview80":"images/unophoto.png?v=9.4.12","photoPreview40":"images/unophoto.png?v=9.4.12","isPhotoExists":false,"isLoggedIn":true,"isNewUser":false,"isExisted":true,"isExpert":false}]
Консультация № 201265
11.07.2021, 13:41
0.00 руб.
0
4
1
Здравствуйте, уважаемые эксперты! Прошу вас ответить на следующий вопрос:3. На гладкой горизонтальной поверхности в круге радиуса R = 8 м ,
ограниченном шероховатой вертикальной стенкой, находится брусок.
Если бруску сообщить начальную скорость v0 = 4 м с , направленную
по касательной к стенке, то через время T = 5 с с скорость бруска
уменьшается вдвое. Найдите коэффициент трения скольжения бруска по поверхности стенки.
Указание. При малых приращениях аргумента приращение функции f(x)=1/x равно d(1/x)=-dx/(x^2)
ограниченном шероховатой вертикальной стенкой, находится брусок.
Если бруску сообщить начальную скорость v0 = 4 м с , направленную
по касательной к стенке, то через время T = 5 с с скорость бруска
уменьшается вдвое. Найдите коэффициент трения скольжения бруска по поверхности стенки.
Указание. При малых приращениях аргумента приращение функции f(x)=1/x равно d(1/x)=-dx/(x^2)
Обсуждение
11.07.2021, 14:15
общий
Адресаты:
Сообщите, пожалуйста, из какого источника Вы взяли эту задачу.
Об авторе:
Facta loquuntur.
Facta loquuntur.
12.07.2021, 08:14
общий
это ответ
Здравствуйте, Никита!
Насколько я понял, брусок можно представить как материальную точку массой
которая движется в горизонтальной плоскости по окружности радиуса 
м. Сила 
трения прямо пропорциональна силе 
нормальной реакции шероховатой стенки: 
где 
-- коэффициент трения скольжения бруска по стенке (рисунок прикреплён). Начальная скорость бруска равна 
м/с; за время 
с она уменьшилась до 
м/с.
Предлагаю Вам следующее решение задачи.
Дано: м -- радиус окружности, по которой в горизонтальной плоскости движется брусок массой 
м/с -- начальная скорость бруска; м/с -- скорость бруска через с после начала движения.
Определить: -- коэффициент трения скольжения бруска по стенке.
В проекциях на нормаль и касательную к траектории движения бруска в произвольный момент времени из заданного промежутка имеем
откуда получим
Ответ:
Насколько я понял, брусок можно представить как материальную точку массой
которая движется в горизонтальной плоскости по окружности радиуса м. Сила трения прямо пропорциональна силе нормальной реакции шероховатой стенки: где -- коэффициент трения скольжения бруска по стенке (рисунок прикреплён). Начальная скорость бруска равна м/с; за время с она уменьшилась до м/с.Предлагаю Вам следующее решение задачи.
Дано:
м -- радиус окружности, по которой в горизонтальной плоскости движется брусок массой м/с -- начальная скорость бруска; м/с -- скорость бруска через с после начала движения.Определить:
-- коэффициент трения скольжения бруска по стенке.Решение
В проекциях на нормаль и касательную к траектории движения бруска в произвольный момент времени из заданного промежутка имеем
откуда получим
Ответ:
Прикрепленные файлы:
Об авторе:
Facta loquuntur.
Facta loquuntur.
13.07.2021, 15:50
общий
Спасибо за помощь. Источник Сборник задач МФТИ-Абитуриентам,также встречалась задача в ЗФТШ.
Форма ответа
Отправка постов/ответов доступна только зарегистрированным и подтвержденным пользователям.
Если Вы уже зарегистрированы на Портале - войдите в систему, если Вы еще не регистрировались - пройдите простую процедуру регистрации.