Multiple Choice
Two objects with masses M1 = 30,000 kg and M2 = 70,000 kg are initially very far apart and at rest.If due to gravitational attraction the two objects attract each other,calculate their total kinetic energy when they are 100 km apart.
A) 1.4 10-3 J
B) 1.4 10-11 J
C) 1.4 10-6 J
D) 0.7 10-3 J
E) 0.7 10-6 J
Correct Answer:

Verified
Correct Answer:
Verified
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