Exercicis CC
4
a) L= π ⋅r+ π ⋅R+ π ⋅r= π(2 ⋅r+R) = 3,142m Lt =50⋅L=157,1m b) P=Ptub⋅L=125,7 W ; Pt =50⋅P=6283 W=6,283 kW c) E=Pt ⋅t=31,42 kW⋅h
description
Exercicis de c.c.
Transcript of Exercicis CC
a) L= π ⋅r+ π ⋅R+ π ⋅r= π(2 ⋅r+R) = 3,142mLt =50⋅L=157,1mb) P=Ptub⋅L=125,7 W ; Pt =50⋅P=6283 W=6,283 kWc) E=Pt ⋅t=31,42 kW⋅h
