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In deep space, sphere A of mass 98 kg is located at the origin of an...

In deep space, sphere A of mass 98 kg is located at the origin of an x axis and sphere B of mass 95 kg is located on the axis at x = 2.2 m. Sphere B is released from rest while sphere A is held at the origin. (a) What is the gravitational potential energy of the two-sphere system just as B is released? (b) What is the kinetic energy of B when it has moved 0.61 m toward A?

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