Предмет: Физика, автор: Элисонbun

Первую треть пути автомобиль ехал со скоростью 35 км/ч, треть оставшегося времени - со скоростью 90 км/ч, остаток пути он проехал со скоростью 100 км/ч. Найти среднюю скорость автомобиля на всём пути.

Ответы

Автор ответа: ViktorBull
0
225/3 ..................
Автор ответа: mihail32
0
45 км/ч - средняя скорость автомобиля. Ведь если брать что 35 км/ч = 3/5 пути, 90 км/ч = 1/5 пути, 100 км/ч = 2/5 пути.
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Помогите пожалуйста
1) The UK is _____________.
An absolute monarchy
A Federative republic
A parliamentary monarchy
2) ____________ is the head of the State in the UK.
The President
The Queen
The Prime-minister
3) There are 2 main political parties in the UK? They are:
The Conservative and the Democratic parties
The Democratic and the Labor parties
The Conservative and the Labor parties
4) _____________ power is realized by the parliament.
Executive
Legislative
Judicial
5) The House of Commons is elected ___________________.
Every 4 years
Every 6 years
Every 5 years
6) The Supreme court, the court of Appeal and local courts compose _____________________.
Judicial branch
Executive branch
Legislative branch
7) ___________________ can pass or regret a bill.
The House of Lords
The House of Representatives
The House of Commons
8) The British monarchy must act on the adviсe of _____________________.
The Parliament
The Prime Minister and his cabinet
British judges
9) The Executive branch is realized by ____________________.
The British Parliament
The Prime Minister and the British Government
The British judicial system
10) Prime Minister is the Leader of the Political party that has won a majority in _________________.
The House of Lords
The House of Representatives
The House of Commons
11) The official residence of the British Prime Minister is __________________.
The white hall
Buckingham Palace
Downing Street, 10
12) __________________ is the British Queen nowadays.
Elizabeth I
Elizabeth II
Elizabeth III