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|Published on: Aug 29|Categories: Physics WAEC| 0 comments A. 9000J B. 12600J C. 21000J D. 25200J E. 88200J Correct Answer: Option B – 12600J Users Also Read These:Ice of mass 10g at 5ºC was completely converted to…Water falls through a height of 50m. Determine the…Calculate the quantity of heat needed to change the…An electric heater rated 220V; 1000W is immersed…Water of mass 1.5kg is heated from 30°C to 80°C…SEE ALSO Which of the following is/are necessary for the production of interference with two wave trains?