Physics, 28.11.2020 08:10 greciakawaii
a train covers half of its journey with a speed of 20 metre per second and the other of with the speed of 30 metre per second the average speed of the pain during the whole journey is
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Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference
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a train covers half of its journey with a speed of 20 metre per second and the other of with the spe...
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