The four energy diagrams below represent four different chemical reactions. Which graph represents the chemical reaction that is the most endothermic?

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.