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A magician wishes to create the illusion of a 2.84 m tall elephant. He plans to do this by forming a virtual image of a 51.0cm tall model elephant with the help of a spherical mirror.
Part A) Should the mirror be concave or convex?
Part B) If the model must be placed 2.50 m from the mirror, what radius of curvature is needed?
R=___________m
Part C) How far from the mirror will the image be formed?
di=______________m
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
The partnership earnings before partners' withdrawals for 2005 totaled $484000. Calculate José's gross income from the partnership from the above for 2005.
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