Какава мощность тока в каждом из ? сопративление каждого из 10ом,к цепи приложено напрежение 30в

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Ответ:

dinok3

16.04.2020

Мощность(илии сила)= напряжение : сопротивление
30:10=3 А(ампер)

4,4(20 оценок)

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Ответ:

Kg1

16.04.2020

1: 500 H

2: 180кДж

3:200000000

4: рычаг представляет собой твердое тело ,которое может вращаться вокруг неподвижной опоры

5:Простые механизмы применяют обычно для двух целей: либо чтобы уменьшить прикладываемую силу, либо чтобы сократить (или ускорить) премещение той или иной детали, предмета. Главное, что нужно иметь в виду - выигрыш в силе всегда равен проигрышу в расстоянии, то есть выиграть в работе никак не получится 9 золотое правило механики).

6:Механическая работа совершается при наличии двух факторов: приложенной силы и перемещения:

мальчик поднимается пешком на 5 этаж

падает снег с крыши

по льду катиться шайба (не уверена)

7: 0, 3

8: 320 Дж

9:5600000

4,8(11 оценок)

Ответ:

ррррр84

16.04.2020

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