Say I am in a space shuttle and have reached outer space. Is it true that during the day it possible to see stars outside through the window? Do I have to wait until night? Why is this the case?
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A rook stands in the lower left corner of an $m\times n$ chessboard. Alice and Bob alternately move the rook (horizontally or vertically, th...
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Why can't we use fissions products for electricity production ? As far has I know fissions products from current nuclear power plants cr...
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Yesterday, I understood what it means to say that the moon is constantly falling (from a lecture by Richard Feynman ). In the picture below ...
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Recently I was going through "Problems in General physics" by I E Irodov. In Electromagnetics chapter, there is a question how muc...
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(The puzzle statement now identifies these numbers as equivalent.) O O ...
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I am having trouble understanding how centripetal force works intuitively. This is my claim. When I have a mass strapped on a string and spi...
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if $\vec L=I\vec ω$ holds good in all the cases then directions of angular momentum and angular velocity must be parallel always which is no...
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