Answer:
Q = 25092 J
Explanation:
Mass of water is 2 kg
Water has cooled from 40 °C to 37 °C.
It is required to find the energy has left the water. The heat left by the water is given by :
[tex]Q=mc\Delta T[/tex]
c is specific heat capacity, c = 4182 J/kg°C
So,
[tex]Q=2\times 4182\times (40-37)\\\\Q=25092\ J[/tex]
So, the 25092 amount of heat has left the water.
