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When two objects collide there will be a force acting on them both and their individual kinetic energies and momenta may alter. As you know already, energy is always conserved but in a collision some, or all of the kinetic energy may be ... of the same mass and traveling at the same speed but in opposite directions collided ...
Answer:
A
Explanation:
Using the formula 1/2mV² both kinetic energy are equal irrespective of the direction.