Physics
A car's cooling system uses water to absorb heat from the engine. If 5 kg of water absorbs 420 kJ of heat, what is the temperature increase of water? (Specific heat capacity of water = 4200 J kg⁻¹ K⁻¹)
Related Questions
Calculate the amount of heat energy required to raise the temperature of 200 g of copper from 20°C to 70°C. Specific heat of capacity of copper = 390 J kg-1 K-1
1300 J of heat energy is supplied to raise the temperature of 0.5 kg of lead from 20° C to 40° C. Calculate the specific heat capacity of lead.
Find the time taken by a 500 W heater to raise the temperature of 50 kg of material of specific heat capacity 960 J kg-1 K-1, from 18°C to 38°C. Assume that all the heat energy supplied by heater is given to the material.
A fire truck uses 10,000 litres of water to extinguish a fire, cooling down the burning material from 500°C to 100°C. If the temperature of water increases by 40°C, how much heat energy is absorbed by it? (Specific heat capacity of water = 4200 J kg⁻¹ K⁻¹)