A group of students was discussing whether the concept of magnetic field is just a theory or if magnetic forces can be shown sixes between objects that are not touching. some of the students were convinced that these forces only exist in theory while the rest of the students society to prove that these forces actually exist. how can the students who did the magnetic forces between objects that are not touching each other?

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?