Предмет: Физика, автор: adaraalonco18490

Электродвигатель подъемного крана подключен к источнику тока напряжением 220В при этом сила тока в обмотке 3000мА определите КПД подъемного крана если он поднимает груз массой 2 т на высоту 2200 см за 1.5

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Автор ответа: ivan48367

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Read the letter and choose the right alternatives

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14. a) on b) at c) out

15. a) as b) like c) with

16. a) a b) the c) no article

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18. a) near b) from c) at

19. a) by b) on c) in

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