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- Still having trouble figuring this out. I understand how you got everything and it definitely makes sense when I look in the book but still cannot figure out how to get the solutions for x and y. I have distributed and it still saying that im wrongHow did you get the equation T=(3/2)mc*a?(b) Consider a 100 cm² photovoltaic cell with reverse saturation current density of Jo = 10-¹² A/cm². In full sun, it produces a short-circuit current of 40 mA at 20 °C. Calculate the open-circuit voltage at full sun. Consider Boltzmann's constant as kB = 1.381 x 10-23 J.K-1 1.6 x 10-1⁹ C and T(K) = 273.15+T(°C) The open-circuit voltage, Voc, for a PV is: KBT, Voc = -In(+1) q lo Isc I q=
- This is the graph of function h. 2 T -2 Y 1 2 3 4 →x What is the graph of its derivative, h'?How to solve this questionfrom 7/2 to TI from (–10) to (10) (2a) The average of f(x) = cos(3x) (2b) The average of f(x) = x² (2c) The average of f(x) = 2x sin(x) (2d) The average of f(x) = 3x from 0 to ↑ %3D from (-3) to (3)
- Schrodinger's cat is one of the most common subjects in modern physics for cartoonists. Here's what Erwin Schrodinger said about his famous thought experiment, "One can even set up quite ridiculous cases. A cat is penned up in a steel chamber, along with the following diabolical device (which must be secured against direct interference by the cat): In a Geiger counter, there is a tiny bit of radioactive substance, so small that perhaps in the course of one hour, one of the atoms decays, but also, with equal probability, perhaps none; if it happens, the counter tube discharges, and through a relay releases a hammer which shatters a small flask of hydrocyanic acid. If one has left this entire system to itself for an hour, one would say that the cat still lives if, meanwhile, no atom has decayed. The first atomic decay would have poisoned it. The function of the entire system would express this by having in it the living and dead cat (pardon the expression) mixed or smeared out in equal…In a neutron star the entire star’s mass has collapsed essentially to nuclear density. For a neutron star with radius 10 km and mass 4.50 x 1030 kg, find the Fermi energy of the neutronsNeglect the buoyancy force on an oil droplet and show that the terminal speed of the droplet is vt mg/b, where b is the coeffi cient of friction when the droplet is in free fall.
- Given: Nc = (2.51x1019)(mn/mo)3/2 (T/300)3/2 Nv = (2.51x1019)(mp/mo)3/2 (T/300)3/2 and ni = (NcNv)1/2 e(-Eg/2kT) show that: ni = (2.51x1019) ((mn/mo) * (mp/mo) )3/2 e(-Eg/2kT)Consider a proton confined within typical nuclear dimensions of 5×10^(−15) m. Estimate the minimum kinetic energy of the proton. Repeat this calculation for an electron confined within typical nuclear dimensions. Comment briefly on the physical significance of your results, given that the nuclear binding energy for a proton is typically in the range 1−10 MeVPlz complete solution otherwise skip.