1. There is much snow in winter. Зимой много снега. There was much snow in winter. There will be much snow in winter. 2. There are 4 theatres in our city. В нашем городе 4 театра. There were 4 theatres in our city. There will be 4 theatres in our city. 3. There is no lift in our house. В нашем доме нет лифта. There was no lift in our house. There will be no lift in our house. 4. There are many new books in our library. В библиотеке много новых книг. There were many new books in our library. There will be many new books in our library. 5. There is little milk in the bottle. В бутылке мало молока. There was little milk in the bottle. There will be little milk in the bottle. 6. There are 3 rooms in our flat. В нашей квартире 3 комнаты. There were 3 rooms in our flat. There will be 3 rooms in our flat. 7. There is a map on the wall. На стене висит карта. There was a map on the wall. There will be a map on the wall.
1. There is much snow in winter. Зимой много снега. There was much snow in winter. There will be much snow in winter. 2. There are 4 theatres in our city. В нашем городе 4 театра. There were 4 theatres in our city. There will be 4 theatres in our city. 3. There is no lift in our house. В нашем доме нет лифта. There was no lift in our house. There will be no lift in our house. 4. There are many new books in our library. В библиотеке много новых книг. There were many new books in our library. There will be many new books in our library. 5. There is little milk in the bottle. В бутылке мало молока. There was little milk in the bottle. There will be little milk in the bottle. 6. There are 3 rooms in our flat. В нашей квартире 3 комнаты. There were 3 rooms in our flat. There will be 3 rooms in our flat. 7. There is a map on the wall. На стене висит карта. There was a map on the wall. There will be a map on the wall.
Дано:
a = 0,7 а.е
a⊕= 1 а.е
T⊕ = 1 год
Найти:
T - ?
Третий закон Кеплера:
(T/T⊕)² = (a/a⊕)³
Так как a⊕ = 1 а.е., а T⊕ = 1 год, то Т² = а³ ⇒ Т = √а³
Т = √0,7³ = 0,7 а.е. × √0,7 а.е. ≈ 0,59 года ≈ 0,6 года
ответ: Т = 0,6 года