An object with more mass has more kinetic energy than an object with less mass, if both objects are moving a) at the same speed b) in the same direction c) in opposite directions

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Particles vibrate in a rigid structure and do not move relative to their neighbors.