The law of conservation of energy only applies to what type of systems?
all systems
open systems
closed systems
System of the Down

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.