Asphere has radius 0.30 m, surface emissivity 0.48, and temperature 600 k. surrounding the sphere is a concentric spherical shell. the inner surface of the shell has radius 0.90 m, emissivity 1.00, and temperature 400 k. at what net rate and direction is heat radiated across the space between the sphere and the shell? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ∙ k4). 18.8 kw, outward 10.8 kw, inward 8.3 kw, outward 6.5 kw, inward 4.0 kw, outward
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Physics, 22.06.2019 03:30, biancabell3
Acoyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 4.25 s later. let the x axis point due east and the y axis point due north. find the direction of the coyote's average acceleration during that time.
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Physics, 22.06.2019 07:00, Angelanova69134
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
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Physics, 23.06.2019 00:30, sarahsteelman
Define the terms moral development and moral reasoning.
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Asphere has radius 0.30 m, surface emissivity 0.48, and temperature 600 k. surrounding the sphere is...
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