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Answer fast! which lens can produce a virtual image and a real image? concave lens convex lens flat lens
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In a system, when potential energy decreases, then entropy also decreases. true false
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Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants
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Physics, 22.06.2019 22:00
Which of these is the best way to manage a natural resource
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Answer fast! which lens can produce a virtual image and a real image? concave lens convex lens fla...
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