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ω1=ω
I2=8kgm
ω2=I1ω1/I2
ω2=12ω/8
ω2=3ω/2
Ek1 : Ek2 = 0,5 I1ω1^2 : 0,5 I2ω2^2
=I1ω1^2 : I2ω2^2
=12(ω)^2 : 8 (3ω/2)^2
=12 : 8.9/4
=12 : 2.9
= 2 : 3