Предмет: Физика, автор: anastasiarak1971

Велосипедист перші 4 км проїхав за 15 хвилин, а наступні 5 км- за 0,5годин. Знайдіть середню шаидкість руху велосипедиста в км/год

Ответы

Автор ответа: tereidorretod

Ответ:

Щоб знайти середню швидкість руху велосипедиста, спочатку знайдемо загальний час та загальний шлях, а потім розділимо шлях на час.

Загальний час:

15 хв + 0,5 год = 15/60 год + 0,5 год = 0,25 год + 0,5 год = 0,75 год

Загальний шлях:

4 км + 5 км = 9 км

Середня швидкість:

Середня швидкість = Загальний шлях / Загальний час = 9 км / 0,75 год = 12 км/год

Отже, середня швидкість руху велосипедиста становить 12 км/год.

Як зрозумів так і написав

Перевір спочатку!

Можна як найкращу відповідь?)

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Poverty

There is no objective and unique definition of poverty, which is capable to

describe exactly when somebody is poor. There has been an evolution in the

description of poverty. In these definitions, it is shown that poverty is not only lack of

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1.приводить к разным результатам;

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poverty; relative poverty an absolute poverty line; primary poverty; poor.

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3. … demonstrates the cultural needs of individuals and families within the

context of the rest of society.

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2. Does the content of the notion “poverty” differ from country to country and from time to time?

3. What did the poverty mean last century?
4. What kinds of poverty do most discussions distinguish between?

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