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Calculate the overall efficiency to produce light in a fluorescent lamp from electrical energy derived from a nearby nuclear power plant. This multistep process begins with the efficiency of a nuclear power plant, rated at 35%; then the electrical energy is transmitted over transmission lines rated at 90%, and finally the electrical energy used by the fluorescent bulb to produce light, rated at 20%. In your response, show your work.
The height of an empty can is H, and the mass M. The mass of a full can is m, What is the center of mass of the can as a function of x? h is the height from the bottom to the surface
The temperature near the top of Saturn's cloud layer is about 110K. The temperature at the top of earth's troposphere, at an altitude of about 20km, is about 220K. Calculate the rms speed of hydrogen molecules in both these environments
A charge of 0.008 coulombs is placed at each corner of a square 100 meters on a side. What will be the magnitude of the force on each charge
An explosion breaks an object into two pieces, one of which has 1.60 times the mass of the other. If 8000 J were released in the explosion, how much kinetic energy did each piece acquire? Heavier piece
A modern-day zeppelin holds 9,470 m3 of helium. Compute its maximum payload at sea level. (Assume the helium and air to be at 0°C and 1 atm.)
How many valence electrons are enclosed in the Bohr sphere or in the spherical volume enclosed by the trapped electron orbit? Is the assumption on the static dielectric constant reasonable and why?
A simple pendulum has a mass of 0.150 kg and a length of 1.00 m. It is displaced through an angle of 10.0° and then released. What is the maximum restoring force
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. find the speed of the ball just before it lands
a cell membrane has a resistance and a capacitance and thus a characteristic time constant. what is the time constant
At a recent rock concert, a dB meter registered 114 dB when placed 1.00 m in front of a loudspeaker on the stage. What was the power output of the speaker, assuming a hemispherical radiation of the sound and neglecting absorption in the air?
Assume that the air temperature is 20C and that no wind is blowing. How much time would elapse if the wind were blowing toward the observer at 33.0Km/h from where the rail was struck?
The Metropolis-Hastings algorithm is an efficient way of simulating classical ensembles using the Monte Carlo method. Is there a generalization of this algorithm to quantum systems? What I DON'T have in mind is Wick rotation to a classical Euclide..
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