Предмет: Физика, автор: vanessaaperyan

Ha соревнованиях лыжников классическим ходом первый лыжник пробежал 6 км за полчаса, второй пробежал 5 км со скоростью 13 км/ч, а третий бежал 20 мин со скоростью 12,6 км/ч. Кто бежал быстрее всех? Кто пробежал большее
расстояние? Кто бежал дольше всех?
Решите с формулами

Ответы

Автор ответа: Userbyuser

0

Ответ:v1=12 км/ч; v2=13 км/ч; v3=12,6км/ч. Второй бежал быстрее всех. Третий пробежал 12,6/3=4,2 км. Первый пробежал дольше остальных и самое большее расстояние.

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Нет кита, не видно,
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«Нет кита, нет кита,
Нет кита, не видно,
Вот беда, вот беда,
До чего обидно!»

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И на эту удочку
Клюнул кашалот.

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Только ребра видно,
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