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Snell's law is used to predict the direction of a ray of light as it passes through different mediums with different refractive indices. It describes the relati
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Authors, Poets, and Playwrights








How accurate is Millikan's measurements to today's values?

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Millikan's measurements of the elementary charge using his oil drop experiment are still considered accurate today, with only minor differences due to improveme
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Authors, Poets, and Playwrights








What does friction have to do with newton's cradle?

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Friction between the balls in Newton's Cradle can dampen the energy transfer between them, rehabilitation company causing the balls to eventually stop swinging. This frictional force
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Authors, Poets, and Playwrights








What is thermal dynamics?

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Thermodynamic loss is about the same as saying 'cooling down'.