Предмет: Физика, автор: daevvolk

Спортсмен масою 80 кг тримає штангу масою 60 кг. З якою силою він буде тиснути на підлогу? (g=10Н/кг). Срочноооо!!! даю 50 балов

Ответы

Автор ответа: qgw6mykj34

1

m=m1+m2=80кг+60кг=140кг
P=gm=10H/кг•140кг=1400H

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: nuriyarajabbaeva

y, gs ck 292.(2011) Choose the answer which correctly completes the sentence Two days ago Martin fell ill but he to work, because he had an urgent task to complete. www go A) could C) might B) had to D) needed 293. (2011) Choose the answer which correctly completes the sentence Bill is in the darkroom developing the negatives. You ... open the door while he is there because the light will ruin the pictures. A) needn't B) don't have to C) don't need to D) must not 294. (2011) Choose the answer which correctly completes the sentence My uncle was a wonderful craftsman. He made beautiful things out of wood. But he... neither read nor write because he never went to school. A) might C) ought to B) could D) should

1 год назад

Предмет: Английский язык, автор: nuriyarajabbaeva

1) I have found some milk in the refrigerator, so we... go to the store.
There is plenty of it. A) cannot C) don't need B) must not D) don't have
12) I'll look after the children while you're away, so you... worry about them. A) may not B) mustn't C) needn't D) don't have or which

1 год назад

Предмет: Английский язык, автор: nuriyarajabbaeva

There was a big party last night. You........hear the music half a mile away. A) were able C) could B) succeeded D) managed

1 год назад

Предмет: История, автор: lyublinskyAle

Укажите основной итог войны России со Швецией 1788-1790 гг.?

7 лет назад

Предмет: История, автор: solovey90

как назывались водяные часы использованые в древней Греции,Ассирии и Вовелоне? ПОМОГИТЕ ПОЖАЛУЙСТА!!

7 лет назад