Physics, 20.03.2020 08:06 cjjohnson1221
Train A with proper length L moves eastward at speed v, while train B with proper length 2L moves westward also at speed v. How much time does it take for the trains to pass each other (defined as the time between the fronts coinciding and the backs coinciding):a. In A’s frame? b. In B’s frame? c. In the ground frame? d. Verify that the invariant interval is the same in all three frames.
Answers: 1
Physics, 22.06.2019 05:40
Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
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Physics, 22.06.2019 15:00
Give an example in which the electrical energy changes to light energy
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Train A with proper length L moves eastward at speed v, while train B with proper length 2L moves we...
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