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## Homework Statement

A 1200 kg car moving eastward at 8 m/s approaches an intersection where it unfortunately collides with an 1800 kg car going southward at 6 m/s. If they stick together, how fast do they move after the collision? The answer is 4.82 m/s

## Homework Equations

a^2+b^2=c^2, p=mv, p before + p before = p after + p after

## The Attempt at a Solution

V=mv+mv/m+m