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Q. A 12 .00 cm tall robin sits in a tree 1.500 m above a shiny lawn sphere with a diameter of 48.00 cm. How tall does the image of the robin appear as he sees his reflection? Use a ray diagram and the equations to locate and completely describe the image.

Q. A light spring with a spring constant of 16.0 N/m rests vertically on the bottom of a large beaker of water. A 5.00*10^-3 kg block of wood with a density of 650.0 kg/m^3 is connected to the spring, and the mass spring system is allowed to come in static equilibrium. how much does the spring stretch?

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