A4.0 newton force is used to pull a 2.00 kg box a distance of 3.00 meters. how much work is done on the cart? a. 36j b. 24j c. 12j d. 6 j

Five-gram samples of copper and iron are at room temperature. both samples receive equal amounts of energy due to heat flow. the specific heat capacity of copper is 0.09 cal/g°c, and the specific heat capacity of iron is 0.11 cal/g°c. which of the following statements is true?