# Effective Mass of Cantilever beam (getting .36m instead of .23m)

## Homework Statement

Im trying to find the equivalent mass of a beam so it can be modeled as a hanging point mass problem.

Given the v = y_dot equation, y equation, and T

Somewhere Im messing up with my math I believe as Im getting .36m instead of what I believe should be .23m.

## The Attempt at a Solution

http://i.imgur.com/NQc9V.png

SteamKing
Staff Emeritus