Chemistry, 25.02.2021 18:20 marandasullivan
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Which ball (frame A or B) is moving with a higher velocity when it strikes the ground, and which ball has the greatest kenetic energy?
A: the ball in frame A had the highest velocity, and the ball in frame B has the highest kinetic energy
B: the balls in frame A and B have the same velocity, while the ball in frame B had the highest kenetic energy
C: the ball in frame B has the highest velocity and the highest kenetic energy
D: the ball in frame A has the highest velocity and the highest kenetic energy
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Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
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Which ball (frame A or B) is moving with a higher velocity when it strikes the grou...
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