P |
= MS ω
|
=
(r2 c2t - r1 c1t) ω
|
wt |
= P/
|
= (r2 c2t - r1
c1t) ω
|
|
= 2π (r2 c2t - r1 c1t) n |
wt |
= 2π
r2 c2 cos(α)
n
|
= 1993 J/kg
|