Предмет: Физика, автор: arinasamets

Автомобиль массой 3 тонны, двигаясь из состояния покоя по горизонтальному пути, через 10 сек достигает скорости 30 м/с. Определите силу тяги двигателя. Сопротивлением движению пренебречь.

Ответы

Автор ответа: NSN

f = m *a
a = v/t= 30/10 = 3 m/c²
f = 3000*3 = 9000 H = 9 kH

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