Кран поднимает балку на высоту 35 м, вес балки равен 12 кН.

Вычисли работу, совершаемую краном.

ответ: работа равна кДж

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1. next year ben will visit his english pen friend. - when will ben visit his english pen friend? 2. there are ten apple trees in his garden. -how many apple trees are there in his garden? 3. they go to the church on sundays. - where do they go on sundays? 4. there is a deep river near their farmhouse. - what is there near their farmhouse? 5. the farmer will ride his horse in the field in an hour. - who will ride a horse in the field in an hour?