The of a light wave corresponds to color , while the waves corresponds to brightness

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?