The spring in a retractable ballpoint pen is 1.8 cm long, with a 260 N/m spring constant. When the pen is retracted, the spring is compressed by 1.0 mm. When you click the button to extend the pen, you compress the spring by an additional 5.0 mm. How much energy is required to extend the pen?
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The spring in a retractable ballpoint pen is 1.8 cm long, with a 260 N/m spring constant. When the pen is retracted, the spring is compressed by 1.0 mm. When you click the button to extend the pen, you compress the spring by an additional 5.0 mm. How much energy is required to extend the pen?
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