A water heater of power 2000 W is used to heat 2 kg of water from 10°C to 60°C. Specific heat capacity of water is 4200 J kg⁻¹ K⁻¹ and efficiency of heater is 70%. Time required is ______ s.
Physics · Circular Motion
A water heater of power 2000 W is used to heat 2 kg of water from 10°C to 60°C. Specific heat capacity of water is 4200 J kg⁻¹ K⁻¹ and efficiency of heater is 70%. Time required is ______ s.