A. What is the ending temperature of the iron? B. How much thermal energy was needed to heat the water?
C. How much thermal energy did the iron give to the water?
D. If the iron has a specific heat of 0.449 J/gC what was the temperature change of the iron?
E. What was the original temperature of the iron?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.