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:A solid of mass 0.5kg initially at 50oC melts at…Calculate the heat energy required to vaporize 50g…The temperature of a piece of metal of mass 9 g is…Calculate the energy required to vapourize 50g of…A piece of copper of mass 30g loses 60J of heat…