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 energy required to vapourize 50g of…A quantity of hot water at 100ºC is added to 400g of…Calculate the quantity of heat needed to change the…Ice of mass 50g at 0°C was completely melted by 70%…Heat is supplied uniformly at the rate of 100W to…