A diver stands on a diving platform 10. 0 m above the surface of a pool and leaps upward with an initial speed of 2. 5 m/s. How fast is the diver moving while falling past a diving board that is 3. 0 m above the surface of the pool?.

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.