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Calculate the standard deviation of the energy for a particle in a state, which is a superposition of two stationary states with coefficients c1 and c2.
Do this calculation in two ways:
(i) using the wave function of this state and a standard deviation of quantum mechanical averages, and
(ii) using the probabilistic interpretation of the coefficients c1 and c2. Did you get the same results?
A water tower supplies water through the plumbing in a house. A 2.54-cm-diameter faucet in the house can fill a cylindrical container with a diameter of 62 cm and a height of 36 cm in 12 s. How high above the faucet is the top of the water in the ..
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a catcher catches a 145 g baseball traveling horizontally at 36.0 m/s. How large an impulse does the ball give to the catcher, what average force did the ball exert on the catcher
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A mass of 0.8kg is located at the end of a very light and rigid rod 50 cm in length. What is the rotational inertia of the system
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A weight is suspended from two ropes, one of which makes an angle #1 = 35 degrees and angle 2 = 155 degrees measured form the horizontal, Find the tension in each of the two ropes
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