In the simulation, Terry uses his mouse to move the block and compress the spring. As the spring is being compressed (before it is released), how can he correctly describe the relationship between the potential and total energies of the system

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?