If 1,000 J of energy is added to a steam engine, and 400 J of work is done by the engine, how much thermal energy ends up being added to the engine

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

The chart shows daniela’s run through her race. what is her velocity? 1.5 m/s 2 m/s 2.5 m/s 5 m/s

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false