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A 20-Kg Object Is Resting at the Top of a Table

Question 30

Multiple Choice

A 20-kg object is resting at the top of a table 1.6 m above ground level. The object is then picked up and moved to a height of 8.7 m above ground level. What is the change in the gravitational potential energy of this object? Use g = 10 m/s2.


A) 71 J
B) 140 J
C) 1740 J
D) 320 J
E) 1420 J

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