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QUESTION
After an elastic collision of two balls, the kinetic energies of the two balls are measured to be 12 J and 24 J. What can be said about the kinetic
After an elastic collision of two balls, the kinetic energies of the two balls are measured to be 12 J and 24 J. What can be said about the kinetic energy of the two balls before the collision?
a.nothing—not enough information is given
b.the balls had the same energies, 12 J and 24 J, respectively
c.the total kinetic energy of the two balls was 36 J
d.none of the above
