According to the law of conservation of the number of atoms in the products of a chemical reaction must be balanced with the number of atoms in the reactants.

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

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?

How does the motion of an airplane compare to the motion of a rocket ?