willem has to measure the specific heat capacity of copper. He has a copper block , which he heats with an electrical heater. The heater supplies energy to the block at 50J/ sec . A) What two other measurements will he require in order to calculate the heat capacity of steel. B) Explain why the block must be well insulated if he is to obtain an accurate result. C) If the block is poorly insulated . will Willems result be too high or too low.