# What units are BTU compatible with?

1. Sep 8, 2014

### mattwkeller

1. The problem statement, all variables and given/known data

Im given a problem where im supposed to utilize the concept of conservation of energy to find an object initial velocity. There is a force that works on an object. They give me the amount of work done in BTU and the other units are in lb, ft/sec, ft/sec^2...Then I confused myself and didnt know if BTU and energy equations with these units work together? Usually I would just convert things to metric but my Thermo Prof wants us to keep the units in what they are given as..So is work supposed to be in BTU or Joules or Calories?

2. Relevant equations

none

3. The attempt at a solution

2. Sep 8, 2014

### SteamKing

Staff Emeritus
3. Sep 9, 2014

### PhanthomJay

If you are working in feet and pounds, express BTU in foot pounds. And mass in slugs.

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