Ball A is dropped from the top of a building. One second later, ball B is dropped from the same building. Neglect air resistance. As time progresses, the difference in their speeds
A) increases.
B) remains constant.
C) decreases.
D) cannot be determined from the information given.
B
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a. If an electron or photon is a particle, it cannot be a wave. b. If an electron is being observed as a particle, it cannot be simultaneously observed as a wave. c. A complete description of an electron or photon must include its particle and wave characteristics. d. If electrons act as particles in an experiment, then the photons in the experiment behave as waves. e. When an electron or photon is behaving like a particle, it is not behaving like a wave.