Engineering, 26.11.2019 07:31, Snowinvain
1. rank the index of refraction in each of the materials from highest to lowest. if two quantities are equal, denote they are equal with an equal sign. highestlowest 2. rank the speed of light in each of the materials from fastest to slowest. if two quantities are equal, denote they are equal with an equal sign. fastestslowest 3. water has an index of refraction of 1.33. what is the angle of refraction if a laser beam strikes the surface of the water at 30 degrees above the surface of the water? 4. the critical angle for a diamond surrounded by air is 24.4 degrees. what is the index of refraction for diamond?
Answers: 2
Engineering, 04.07.2019 19:10, kelseiroll9759
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
Engineering, 04.07.2019 19:20, dndndndnxmnc
The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal
Answers: 3
Engineering, 04.07.2019 19:20, anggar20
Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 k, 1 bar, with a volumetric flow rate of 0.25 m°/s, and exits at 325 k, 0.95 bar. the flow area is 0.04 m2. assuming the ideal gas model with k = 1.4 for the air, determine (a) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer, in kw flow rate, in kg/s, (b) the mass kg 0.3
Answers: 2
1. rank the index of refraction in each of the materials from highest to lowest. if two quantities a...
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