1. The problem statement, all variables and given/known data An insulated copper block receives energy at a rate of 100 W from an embedded resistor. If the block has a volume of 10-3m3 and an initial temperature of 20°C, how long would it take, in minutes, for the temperature to reach 60°C? 2. Relevant equations Copper specific heat = 0.385 KJ/Kg°K Copper Density = 8930 Kh/m3 Q' = du/dt + d(KE)/dt + d(PE)/dt + W but there is no kinetic energy, potential energy or work done Q = mcΔT 3. The attempt at a solution Initially, I found the mass of the copper mcopper = (8930 Kg/m-3)(10-3m3) mcopper = 8.930 Kg But I'm not sure if this will help me. How do I interpret the energy give? Is the 100 W = Q?