- #1

qwerty5050

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## Homework Statement

2 cars of equal mass and traveling in opposite directions on a wet and slippery road collide and lock together after impact. Neither car brakes before the collision. The tangled wreck moves off in an easterly direction at 5 m/s immediately after the collision. if one car was traveling due west at 20 m/s immediately before the collision and the other at 30 m/s.

What fraction of the initial kinetic energy as conserved during the collision?

## Homework Equations

Ek=1/2mv^2 - this is the only equation i know that has to do with kinetic energy

## The Attempt at a Solution

I have no idea what i have to do

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