## Math Problem Statement

A force of 60N is required to keep a spring stretched 5m from the equilibrium position. How much work in Joules is done to stretch the spring 9m from equilibrium? Round your answer to the nearest hundredth if necessary.

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Hooke's Law

Work-Energy Theorem

### Formulas

Hooke's Law: F = kx

Work done by a spring: W = (1/2) k x^2

### Theorems

Work-Energy Theorem

### Suitable Grade Level

Grades 11-12