Temperature 81892

By how much °C will the temperature of an iron key weighing 0.004 t change if it receives 360,000 J of heat? ( c of iron is 450 J/kg.°C )

Correct answer:

Δt =  200 °C

Step-by-step explanation:

m=0.004 t kg=0.004 1000  kg=4 kg Q=360000 J c=450 J/kg/  Q = m c Δt  Δt=m cQ=4 450360000=200°C

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