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1. Does it make sense to speak of charge quantization in physics? How is this different from energy quantization?
2. Elementary particles seem to have a discrete set of rest masses. Can this be regarded as quantization of mass?
3. In many classical systems the allowed frequencies are quantized. Name some of the systems. Is energy quantized there too?
A bit of computer memory is some physical object that can be in twodifferent states, often interpreted as 0 and 1. A byte is eightbits, a kilobyte is 1024 bytes.
4.10g of nitrogen gas at 20.0 C and an initial pressure of 2.70 atm undergo an isobaric expansion until the volume has tripled. The gas pressure is then decreased at constant volume until the original temperature is reached. What is the gas pressur..
an object is thrown upward to a person of a roof . at what point is the objects kinetic energy at its max? at what point is the potential energy of the system at a max
A heat engine operates between a hot resrvoir at 1500k and a cold reservoir at 500k. Determine the Carnot efficiency of this engine
a neodymium-glass laser emits short pulses of high-intensity electromagnetic waves. the electric field of such a wave
If 15 g of radon gas with a half-life of 4 days is present in a balloon at t = 0, what is the mass of radon gas present
Three charged particles are fixed to an x axis: Particle 1 of charge q1 = 2.1e-8 C is at position x=20 cm and particle 2 of charge q2 = 2.00q1 is at position x = 30 cm, particle 3 of charge q3 = -4.00q1 is at position x = 70 cm.
Two objects, A and B, are rubbed together. As a result, object A acquires an excess negative charge while object B becomes positively charged. In comparison to their masses before the charging process, you can say that
In each of the diagrams below, one or more external forces act on the indicated system. Which of the forces listed below are the reaction to the external force mentioned? (Select all that apply.)(a) the mower exerts a forceupward on the Earth due to ..
A majorette in a parade is performing some acrobatic twirlings of her baton. Assume that the baton is a uniform rod of mass 0.120kg and length 80.0m With a skillful move, the majorette changes the rotation of her baton so that now it is spinning abou..
In a proton accelerator used in elementary particle physics experiments, the trajectories of protons are controlled by bending magnets that produce a magnetic field of 3.60T. What is the magnetic-field energy in a 130 cm^3 volume of space where B=..
Solar cells generate a potential difference when exposed to sunlight. In an experiment, you wish to charge a rechargeable battery by connecting it in series to an array of solar cells. What is the area of the array of solar cells
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