Question

A 1000 kW heater gives a heat of 4.2 x 10 to the power 5 kJ in an hour. If this amount of heat is
supplied to 20 kg of water at 30 °C, find the final temperature of water. [Ans: 80°C]
The temperature of an iron ball of mass 4 kg changes by 10°C when 18.4 kJ heat
energy is supplied to it. What is the specific heat capacity of the iron ball?​

Answer 1

Answer:

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