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|Published on: May 23|Categories: 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…A piece of substance of specific heat capacity…The temperature of a piece of metal of mass 9 g is…A solid of mass 0.5kg initially at 50oC melts at…A 50W electric heater is used to heat a metal block…SEE ALSO Which of the following particles/rays do not originate from the nucleus of an atom?