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SCAN0029 - m 7 A 300 g block is attached to a light...

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Unformatted text preview: m 7. A 300 g block is attached to a light horizontal spring. The block is free to slide on a horizontal table. A force of 25 N compresses the spring 20 cm. What is the spring constant, k? How far beyond its equilibrium position will the spring stretch at its first maximum extension if the surface of the table is frictionless? ;_c. How far beyond its equilibrium position will the spring stretch at its first maximum extension if the coefficient of kinetic friction of the table surface is 0.20? .79” 8 A pump is [required to lift 20 kg of water per minute through a height of ’4 00 m. What output power rating in watts should the pump motor have? mam/£9 r 1 Wm Pram 5, == e—W’rvi ‘é’wkw 3503 + 51.9 ’ ...
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