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## Homework Statement

A train consists of a caboose (1000kg), a passenger car (2000kg), and an engine (2000 kg). If the train has an acceleration of 5.5m/s^2, what is the tension connecting the cable between the passenger and the engine.

a) 27.5kN b) 16.5kN c) 11kN d) 5.5kN e)none of the above

I already know the answer is B, as this was said in class, however I am having trouble reaching the solution of 16.5kN

## Homework Equations

At first I tried using Fnet=ma, and with T1+T2-w=ma,however I did not reach the correct answer.

## The Attempt at a Solution

T1+T2-w=ma

T1-19600=4000(5.5)

T1=41600 N, 41.6 kN