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A double slit separated by 0.0586 mm is placed 1.55 m from a screen.
(a) If yellow light of wavelength 586 nm strikes the double slit, what is the separation between the zeroth-order and first-order maxima on the screen?
cm
(b) If blue light of wavelength 415 nm strikes the double slit, what is the separation between the second-order and fourth-order maxima?
One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26.
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Two small metal spheres with masses 2.0 {rm g} and 4.0 {rm g} are tied together by a 5.3-{rm cm}-long massless string and are at rest on a frictionless surface. Each is charged to +2.3 mu C. What is the energy.
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