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Physics, 22.06.2019 05:50
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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Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a ร b = 98k. what is the y-component of vector b?
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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What ia the energy of an object because of its potential and kinetic energies
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Two satellites, one in geosynchronous orbit (T = 24 hrs) and one with a period of 12 hrs, are orbiti...
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