Question: A student places her 500 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by 4.0 cm,

A student places her 500 g physics book on a frictionless table.
She pushes the book against a spring, compressing the spring by 4.0 cm, then releases the book. What is the book’s speed as it slides away? The spring constant is 1250 N/m.

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