η=0.7 (70%) h=1200 м с=4200 Δt=?
Q=η*Eп
c*m*Δt=η*m*g*h
Δt=η*g*h/c=0.7*10*1200/4200=2°
====================
E=gmh
Δt⁰=gmh*0,7/mc
Δt⁰=gh*0,7/c
Δt⁰=10*1200*0,7/4200
Δt⁰=2C⁰
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Verified answer
η=0.7 (70%) h=1200 м с=4200 Δt=?
Q=η*Eп
c*m*Δt=η*m*g*h
Δt=η*g*h/c=0.7*10*1200/4200=2°
====================
Verified answer
E=gmh
Δt⁰=gmh*0,7/mc
Δt⁰=gh*0,7/c
Δt⁰=10*1200*0,7/4200
Δt⁰=2C⁰