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Calculate the curvature when r(t)=⟨2t−1,1,2t⟩

Hello,Please help!! Show that the parabola y=ax^2 has its largest curvature at its vertex and no minimum curvature. (Note: since
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2. asked by JDH
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A convex meniscus lens is made of glass with refractive index, n= 1.5. The radius of curvature of the concave surface is 46.2 cm
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2. asked by aiman
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The left face of a biconvex lens has a radius of curvature of magnitude 12.8 cm, and the right face has a radius of curvature of
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2. asked by Jessica
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Calculate the curvature whenr(t)=⟨2t−1,1,2t⟩
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2. asked by Moren
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What happens to the location of the image when the radius of curvature changes?I think it moves farther away when the curvature
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2. asked by Anonymous
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Show that the radius of curvature at the point theta on the curvature x
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2. asked by Thayagan
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An object is placed from a concave mirror with a radius of curvature of 50cm. The object has a height of 5cm.a)Calculate the
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2. asked by amy
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The curvature of a circle with radius r is defined as Descartes’ formula gives a relationship between the curvatures of the
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2. asked by Jose
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An object 7.5cm light is placed 30 cm from aconcave mirror of curvature 20cm calculate the 1image distance 2image height
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2. asked by Yusuf aliyu
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You are designing a curve in a highway. If the turn is too sharp (the radius of curvature is too small), then cars may lose
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2. asked by Annabelle
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