Final answer:
The rise in temperature of water can be calculated using the concept of conservation of energy. The potential energy of the falling blocks is converted to kinetic energy and then used to heat up the water.
Step-by-step explanation:
The rise in temperature of water can be calculated using the concept of conservation of energy. The potential energy of the falling blocks is converted into kinetic energy, which in turn is used to heat up the water. The amount of energy transferred to the water can be calculated using the equation:
Energy transferred = mass of water * specific heat capacity of water * temperature change
In this case, the mass of the water is given as 2 kg, the specific heat capacity of water is 4200 J/kg°C, and the temperature change can be found using the gravitational potential energy of the falling blocks. The potential energy can be calculated using the equation:
Potential energy = mass of each block * gravity * height
Substituting the given values, we can calculate the potential energy and then use it to find the temperature change and calculate the rise in temperature of the water.