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Because of events shortly after the big bang, the universe is filled with a "background"
of electromagnetic radiation with a blackbody spectrum corresponding to a temperature
of 2.7 K. Find Amax for this distribution. What portion of the electromagnetic spectrum is
this?

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Suppose a proton is moving at 1.25 % of the speed of light. a)Calculate the wavelength, in meters, of a photon that has the same momentum as this proton. b) What is the energy of the photon, in megaelectron volts? c) What is the kinetic energy of the proton, in megaelectron volts?
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O https://www-awu.aleks.com/aiek ROEqmvAnknhdcHJmAch Blackbody b Answered: Decide. Convert grams Calc... * Convert hertz (Hz] t. G VidQuiz: Trans. In B... Syllabus: 1A Blake F O ELECTRONIC STRUCTURE AND CHEMICAL BONDING Understanding the meaning of a de Broglie wavelength Imagine an alternate universe where the value of the Planck constant is 6.62607 J·s. In that universe, which of the following objects would require quantum mechanics to describe, that is, would objects would act like everyday objects, and be adequately described by classical mechanics? object quantum or classical? A car with a mass of 1100. kg, 4.0 m long, moving at O classical 112.0 km/h. O quantum A grain of sand with a mass of 205 mg, 795. um wide, moving at 6.00 mm/s. O classical O quantum An eyelash mite with a mass of 13.6 ug, 205 um wide, moving at 29. um/s. O classical O quantum An atom with a mass of 1.0 x 10-25 kg, 56. pm wide, moving at 222. m/s. O classical O quantum Explanation Check 72022 McGraw Hill…
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