n=20
t=15 s
J=10 kgm²
ωk=0
ε=?
Mh=?
s=ω0·t - 0,5·ε·t²
ωk=ω0 - ε·t
s=2·π·n
2·π·n=ω0·t - 0,5·ε·t²
0=ω0 - ε·t
ω0=ε·t
2·π·n=ε·t² - 0,5·ε·t²
2·π·n= 0,5·ε·t²
4·π·n= ε·t²
ε=(4·π·n)/t²
ε=(4·π·20)/15²
ε=(16/45)·π ≈1,12 rad/s²
Jε=Mh
Mh=10·(16/45)·π
Mh=(32/9)·π≈11,2 Nm
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n=20
t=15 s
J=10 kgm²
ωk=0
ε=?
Mh=?
s=ω0·t - 0,5·ε·t²
ωk=ω0 - ε·t
s=2·π·n
2·π·n=ω0·t - 0,5·ε·t²
0=ω0 - ε·t
ω0=ε·t
2·π·n=ε·t² - 0,5·ε·t²
2·π·n= 0,5·ε·t²
4·π·n= ε·t²
ε=(4·π·n)/t²
ε=(4·π·20)/15²
ε=(16/45)·π ≈1,12 rad/s²
Jε=Mh
Mh=10·(16/45)·π
Mh=(32/9)·π≈11,2 Nm