Предмет: Физика, автор: MEDICINES

Срочно помогите, пожалуйста. 25 баллов. Физика. векторы.

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Ответы

Автор ответа: iManimeshnik

1

3)a=0,8м/с^2=2,88км/ч
F=ma
F=50×2,88=144Н

4)F=Fтяги-Fсопр.
F=1500-450=1050
F=ma
a=F : m = 1050 : 1500 = 0.7 км/ч

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