Вчем заключается метод экспериментального определения собственной частоты колебаний струны?
277
484
Ответы на вопрос:
1) 1. was written; 2. was planted; 3. was laid; 4. was invented; 5. are cleaned 2) 1. the window was broken. 2. the bridge is being repaired (now). 3. the new museum will be opened next year. 4. the kitchen was painted last weekend. 5. the gallery is visited (by a lot of tourists) every year. 3) 1. will she be invited to the gallery? / where will she be invited? 2. is coffee grown in brazil? / where is coffee grown? 3. was the castle painted? 4. will the prizes be given to the winners next monday? / when will the prizes be given to the winners? / who will the prizes be given? 5. was the hotel build in 2000? / when was the hotel build?
1. correct the errors: 1. this novel was written by dickens.2. this tree was planted by my grandfather.3. the table was laid for four.4. the first telephone was invented by alexander bell.5. the streets are cleaned every day.2. rewrite the sentences in the passive: 1. they broke the window. - the window was broken.2. they are repairing the bridge. - the bridge is being repaired.3. they will open the new museum next year. - the new museum will be opened next year.4. he painted the kitchen last weekend. - the kitchen was painted last weekend5. a lot of tourists visit the gallery every year. - the gallery is visited by lots of tourists every year.3. rewrite the affirmative sentences as questions: 1. she will be invited to the gallery. - where will she be invited? 2. coffee is grown in brazil. - where is cofee grown? 3. the castle was painted. - what was done to the castle? 4. the prizes will be given to the winners next monday. - what will be given to the winners next monday? (when will the prizes be given to the winners? )5. the hotel was built in 2000. - when was the hotel built?
ответ:
u=5 b
объяснение:
i=20 ма=0,02 а
a=720 дж
t=2 час=7200 с
u=?
a=p*t=u*i*t⇒ u=a/(i*t)=720/(0,02*7200)=5 b
Реши свою проблему, спроси otvet5GPT
-
Быстро
Мгновенный ответ на твой вопрос -
Точно
Бот обладает знаниями во всех сферах -
Бесплатно
Задай вопрос и получи ответ бесплатно
Популярно: Физика
-
Starboi17.09.2022 18:52
-
goshaaaAa13.09.2022 10:16
-
аня293831.01.2020 21:22
-
osadchevasasha11.01.2021 16:14
-
ЮЮПР17.09.2021 07:42
-
Katerinka64rus10.07.2022 15:44
-
7777kiti06.03.2021 06:50
-
nastiarozhko20.11.2022 12:25
-
вика283227.06.2023 05:10
-
941645127.03.2021 14:27
Есть вопросы?
-
Как otvet5GPT работает?
otvet5GPT использует большую языковую модель вместе с базой данных GPT для обеспечения высококачественных образовательных результатов. otvet5GPT действует как доступный академический ресурс вне класса. -
Сколько это стоит?
Проект находиться на стадии тестирования и все услуги бесплатны. -
Могу ли я использовать otvet5GPT в школе?
Конечно! Нейросеть может помочь вам делать конспекты лекций, придумывать идеи в классе и многое другое! -
В чем отличия от ChatGPT?
otvet5GPT черпает академические источники из собственной базы данных и предназначен специально для студентов. otvet5GPT также адаптируется к вашему стилю письма, предоставляя ряд образовательных инструментов, предназначенных для улучшения обучения.