The spring in a retractable ballpoint pen is 1.8 cm long, with a 300 N/m spring constant. When the pen is retracted, the

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answerhappygod
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The spring in a retractable ballpoint pen is 1.8 cm long, with a 300 N/m spring constant. When the pen is retracted, the

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The spring in a retractable ballpoint penis 1.8 cm long, with a 300 N/m springconstant. When the pen is retracted, the spring is compressedby 1.0 mm. When you click the button to extend thepen, you compress the spring by an additional 6.0 mm.
How much energy is required to extend the pen?
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