A 2-kg block is thrown upward from a point 20 m above the Earth's surface. At what
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Question:
A 2-kg block is thrown upward from a point 20 m above the Earth's surface. At what height above Earth's surface will the gravitational potential energy of the Earth-block system have increased by 500 J?
A) 5 m
B) 25 m
C) 46 m
D) 70 m
E) 270 m
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