# Recent content by makeez

1. ### Reducing Second Order ODE system to First Order

Homework Statement A 3-storey building can be modelled as a system of coupled masses and springs as showen in attached document. Where mi is the mass of each floor, ki is the spring constant, xi is the displacement of each floor, and ci is the damping coeffcient. Homework Equations I...
2. ### System of coupled masses and springs homework

Homework Statement A 3-storey building can be modelled as a system of coupled masses and springs as showen in attached document. Where mi is the mass of each floor, ki is the spring constant, xi is the displacement of each floor, and ci is the damping coeffcient. Homework Equations I...
3. ### Constained Motion

http://img101.photolava.com/2009/10/21/engr-vswpt7nk.jpg [Broken] An old exam paper practice question. I can get up to b) but i am having trouble with the tensions. I got for Aa=-10mms-2 Ad=-5mms-2, while Ac is given to be 20mms-2 and Ab=0mms-2. Is this corrent and if so how do I go about...