Two identical 30.0-kg spheres of diameter 20 cm are 50.0 cm apart (center to center distance) .If they are released from rest and allowed to fall toward one another,what is their speed when they just make contact? Assume that the only force acting on the masses are the gravitational force of the other mass.
A) 7.24 * 10-4 m/s
B) 1.10 * 10-4 m/s
C) 8.17 * 10-4 m/s
D) 7.75 * 10-5 m/s
E) 5.31 * 10-4 m/s
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