100 J of heat energy is added to 1 kg of iron, wood, glass, and water each. Which of the followings temperature will change the least? Wood Water Iron Glass
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- Which of the following is the slowest method for heat to flow? -conduction -convection -radiation - uncertain because convection depends on the type of fluid.After class, I walk my dog around the block. Describe how the heat is being transferred in this situation. (Make sure to describe which heat transfer methods are happening, and what objects are losing and gaining heat)An increase in thermal energy
- 4. How does a refrigerator cool down inside? * 2p Heat is removed from the cool area inside and discarded into the warm area outside the fridge Cool air is blown into the cool area inside the fridge Cold energy is added to the cool area inside the fridge and hot energy is discarded into the warm area outside the fridge DOO 国 F6 F7 F8 F9 F10 F11 F12 & 8 10 U DI20°C 25°C During day time, water is colder than the sand. Which has higher specific heat capacity, water or sand? * O Incomplete information is given. O Sand, as increases its temperature increases easily. Sand, as it needs less energy to increase its temperature O Water, as it needs more energy to increase its temperature.Whenever you directly touch a hot plate
- A 12 kg object is dropped from a height of 10 m and strikes the ground with a speed of 8.0 m/s. How much heat energy was produced during the fall? a) O J b) 1 200 J c) 400 J d) 800 JIn reference to the heat curve found below, which of the following statements is false? Temperature (C) Energy Goined (7) The object is gaining energy for the entire portion of the curve The object undergoes one state change in the process O The object's final temperature was higher than it's initial temperature O The object started in a solid state The object finished in a gas stateWhat is a calorimeter? Name the material of which it is made of. Give two reasons for using the material stated by you.