Ответ: на 99,33%
Объяснение:
Дано:
R1=0,4R2
n1=1
n2=n1/60
---------------
V1/V2-?
V=ωR
ω=πn/30
V1=ω1*R1=πn1/30*R1=π*R1/30
V2=ω2*R2=πn2/30*R2=π*0,4R1/(60*30)=π*0,4R1/1800
V1/V2=(πR1/30)/(π*0,4R1/1800)=150
150V1-100%
V1-X%
X=100*1/150=0,67%
Δ=V1-V2=100-0,67=99,33%
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Answers & Comments
Ответ: на 99,33%
Объяснение:
Дано:
R1=0,4R2
n1=1
n2=n1/60
---------------
V1/V2-?
V=ωR
ω=πn/30
V1=ω1*R1=πn1/30*R1=π*R1/30
V2=ω2*R2=πn2/30*R2=π*0,4R1/(60*30)=π*0,4R1/1800
V1/V2=(πR1/30)/(π*0,4R1/1800)=150
150V1-100%
V1-X%
X=100*1/150=0,67%
Δ=V1-V2=100-0,67=99,33%