Предмет: Физика, автор: elena2028

Помогите, срочно, номер 4 и 5
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Автор ответа: fatt52
1
4) m*v²/2=μ*m*g*s
v=√(2*μ*g*s)=√(2*0.05*10*36)=6 м/с
================
5) m=0.2 кг     x2=0.01 м   a=?
a=F2/m
Из графика F1=3 H   и x1=0.005 м
k=F1/x1=F2/x2
3/0.005=F2/0.01
F2=3*0.01/0.05=6 H
a=6/0.2=30 м/с²
===================
elena2028: Спасибо большое.
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