500g of water is heated so that its temperature rises from 30°C to 72°C in 7 minutes. calculate the supplied per minute. (Specific heat capacity of water is 4200Jkg−1K−1 by Sunday | Aug 29 | Physics WAEC | 0 comments A. 9000J B. 12600J C. 21000J D. 25200J E. 88200J Correct Answer: Option B – 12600J Users Also Read These:Calculate the power rating of an immersion heater…An immersion heater rated 400W, 220V is used to heat…Water falls through a height of 50m. Determine the…A quantity of hot water at 100ºC is added to 400g of…2kg of water is heated with a heating coil which…