Wilam made a chart to summarize the results of experiments with the photoelectric effect. which best describes how to correct wilam’s error? the first result should state that frequencies of light that were lower than the frequency threshold of the metal could not eject electrons. the second result should state that as soon as light struck the metal, protons were ejected. the second result should state that just before light struck the metal, electrons were ejected. the third result should state that the kinetic energy of the ejected electrons depends only on the frequency of the photons.
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Physics, 22.06.2019 09:40
(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)
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Physics, 22.06.2019 12:30
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Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
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Physics, 22.06.2019 16:00
Which composition of water moves to begin a deepwater current?
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Wilam made a chart to summarize the results of experiments with the photoelectric effect. which best...
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