Physics, 30.12.2019 12:31 wowihavefun
If it takes light 26,000 years to travel from the sun to the center of the milky way galaxy, how far is the sun from the center of the milky way?
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Physics, 22.06.2019 04:00
The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane
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Physics, 22.06.2019 06:40
Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
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Physics, 22.06.2019 10:30
Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.
Answers: 3
Physics, 22.06.2019 16:30
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
Answers: 2
If it takes light 26,000 years to travel from the sun to the center of the milky way galaxy, how far...
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