Question

Помогите с задачей пожалуйста ..

Answer 1

$m=10kg\\ R=0,1m\\ \nu=600\frac{round}{min}=10\frac{round}{s}\\ f=0,4\\ J=0,3kg*m^{2}\\ t=10s\\ Q=?\\ \\ M\Delta{t}=J\Delta{\omega}\\ \omega=2\pi{n}\\ M=F_{tr}R,\ F_{tr}=Qf\,\\ M=QfR,\ Qfrt=J2\pi{n}\\ \\Q=\frac{J2\pi{n}}{fRt}=\frac{0,3*2*3,14*10\frac{round}{s}}{0,4*0,1m*10s}=47,1H$