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There's an electron in a one-dimensional potential well of width Lz in the z direction, with infinitely high potential barriers on either side (i.e., at 0 z = and z L = z ). Assume that the potential energy is zero inside the well. Suppose that at time t = 0 the electron is in an equal linear superposition of its lowest two energy eigenstates, with equal real amplitudes for those two components of the superposition.
Starting with the normalized wavefunction at time t = 0, write down an expression for the wavefunction valid for all times t and show whethere this wavefunction is normalized for all such times t
How much work does a steam crane need to do in order to lift a 108,500 kg locomotive back onto the track if the locomotive has been derailed into a ditch 3.25 meters below the level of the tracks
A small bird's wings can undergo a maximum displacement amplitude of 5.00 cm, what is the oscillation frequency of the wing tips
Light from a 554-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 22 °
An early model for an atom considered it to have a positively charged point nucleus of charge Ze, surrounded by a uniform density of negative charge up to a radius R. The atom as a whole is neutral. F
A ladder with a mass of 16 Kg is placed on a frictionless vertical wall, see fig. A 75 Kg person climbs up the ladder but notices the ladder slipping. what percent of the length of the ladder did the person climb
light bulb has a resistance of 260 . It is connected to a standard wall socket (120 V rms, 60.0 Hz). Determine the rms current in the bulb
question1assume that we have the hydrogen atom and the electron in the hydrogen atom is in the n 4 state. what should
a heat engine operating between 40 C and 380 C has an efficiency 60% of that of a Carnot engine operating between the same temperatures. at what rate does it exhaust heat
When the power is turned off on a turntable spinning at 78.0 rpm , you find that it takes 10.5 revolutions for it to stop while slowing down at a uniform rate. How long does it take to stop after the power is turned off
A point particle that has a charge of 18.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 14.8 cm, y = 0. The electric force on a point particle that has a charge of 7.4 µC at x = 29.6 cm, y = 0 is -(19.7)..
In the "before" part of the figure below, car A (mass 1000 kg) is stopped at a traffic light when it is rear-ended by car B (mass 1600 kg). Both cars then slide with locked wheels until the frictional force from the slick road (with a low µk of 0...
At time a grinding wheel has an angular velocity of 22. It has a constant angular acceleration of 28.0 until a circuit breaker trips at time = 1.60 . From then on, the wheel turns by an angle of 438 as it coasts to a stop at constant angular decel..
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