Предмет: Физика, автор: Pol223

ЗАДАЧА Автомобиль плавно трогается с места на горизонтальной дороге. Под действием какой силы изменяется скорость автомобиля?

Ответы

Автор ответа: svetanazarova1

1. Силы трения покоя.
3 вариант ответа.
2. μ=F/N
N=mg=40 Н
μ=6/40=0,15
1 вариант ответа.
3. P=F/μ
Р=25/0,05=500 Н
2 вариант ответа

Автор ответа: Pol223

правильно ?

Автор ответа: svetanazarova1

да

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