Предмет: Физика, автор: elric2019

Тело начинает движение из состояния покоя с ускорением 10 м/с2.Какова будет скорость тела через 2с и 5с? Какой путь оно пройдет и каково будет его перемещение за эти промежутки времени?

Ответы

Автор ответа: zinovicgrigorij
3

Ответ: 20м/с; 50м/с; 20м; 125м

Объяснение:

Дано:

Vo=0

а=10м/с²

t1=2c

t2=5c

-----------

V1-?; V2-?; S1-?; S2-?

V1=at1=10*2=20м/с

V2=аt2=10*5=50м/с

S1=at1²/2=10*2²/2=20м

S2=at2²/2=10*5²/2=125м

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