A concave cosmetic mirror has a focal length of (40 mathrm{~cm}). A 5 - (mathrm{cm})-long mascara brush

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A concave cosmetic mirror has a focal length of \(40 \mathrm{~cm}\). A 5 - \(\mathrm{cm}\)-long mascara brush is held upright \(20 \mathrm{~cm}\) from the mirror. Use ray tracing to determine the location and height of its image. Is the image upright or inverted? Is it real or virtual?

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