Collisions Help!

[discowisco]

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[chill3]

I would think elastic since no E is lost to heat, sound etc.

 

[vpanopoulos]

I would think elastic since no E is lost to heat, sound etc.

I agree!

In the case of a collision (like a car crash), the greatest amount of force is achieved with a small reaction time (J = F(avg) * delta t) or, if time is held constant, there's the greatest change in velocity (J = m * delta v).