m=1 kg; f=70/60=7/6 Hz; R=50 cm=0,5 m
Moment hamujący
M=Iε=Iω/t=mr^2*2πf/t
M= 1*0,5^2*2*π*7/6t=1,83/t
liczna obrotów
α=ωt-εt^2/2=ωt-ωt/2=ωt/2
n=α/2π
n=2πft/4π=ft/2=7t/12
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m=1 kg; f=70/60=7/6 Hz; R=50 cm=0,5 m
Moment hamujący
M=Iε=Iω/t=mr^2*2πf/t
M= 1*0,5^2*2*π*7/6t=1,83/t
liczna obrotów
α=ωt-εt^2/2=ωt-ωt/2=ωt/2
n=α/2π
n=2πft/4π=ft/2=7t/12