# Determine the equation of motion if the mass in Problem 3 is initially released from the equilibrium

## Question:

Determine the equation of motion if the mass in Problem 3 is initially released from the equilibrium position with a downward velocity of 2 ft /s.

**Problem 3**

A mass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. Initially, the mass is released from rest from a point 3 inches above the equilibrium position. Find the equation of motion.

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**Related Book For**

## A First Course in Differential Equations with Modeling Applications

**ISBN:** 978-1111827052

10th edition

**Authors:** Dennis G. Zill