A piece of metal of mass 50g is cooled from 80°C to 20°C. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg‾¹K‾¹) by Sunday | May 23 | Physics WAEC | 0 comments A. 4.50 x 10³J B. 2.25 x 10³J C. 1.80 x 10³J D. 1.35 x 10³J Correct Answer: Option D D. 1.35 x 10³J Users Also Read These:0.5kg of water at 10ºC is completely converted to…Calculate the energy required to vapourize 50g of…A solid of mass 0.5kg initially at 50oC melts at…A piece of copper of mass 30g loses 60J of heat…An immersion heater rated 400W, 220V is used to heat…