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Fnet,avg dot Delta x = Delta (1/2 mv^2)That's the work/KE theorem.
Defining the right-hand-side as the change in the object's kineticMostly valid.
energy (macro), I find that in a collision the KE "lost" by one object
is "gained" by the other object only if the total displacement of each
object during the collision is the same (since the average net force on
each object is equal and opposite; assuming no other forces contributing
to the net force).
Is this a valid way of looking at things?
If so, during the "slingNot necessarily.
shot" is the displacement of each object the same during the
"interaction"?