Cu thief

The thief stole 142 meters copper wire with a cross-section area of $s mm2. Calculate how much money gets in the scrap redemption if redeemed copper for 5.3 Eur/kg. The density of copper is 8.96 t/m3.

Correct answer:

x =  539.5 Eur

Step-by-step explanation:

L=142 m cm=142 100  cm=14200 cm S=80/102=54=0.8 cm2  ρ=8.96 1000=8960 kg/m3 p=5.3 eur/kg  V=S L=0.8 14200=11360 cm3 V1=V m3=V:1000000  m3=11360:1000000  m3=0.01136 m3  m=ρ V1=8960 0.0114=101.7856 kg x=p m=5.3 101.7856=539.5 Eur



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