Physics, 04.05.2021 21:30 RogueDragon707

3 A 210 W heater is placed in 2 kg of water and switched on for 200 seconds.
a How much energy is needed to raise the
temperature of 2 kg of water by 1 °C?
b How much energy does the heater supply?
C Assuming that no thermal energy is lost, what is the
temperature rise of the water?

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3 A 210 W heater is placed in 2 kg of water and switched on for 200 seconds.
a How much ener...