If a crane worker lifts a crate with a mass of 200 kg from the ground to a
shipping container that is 45 meters off the ground, by how much has the
worker increased the gravitational potential energy of the crate? (Recall that g
= 9.8 m/s2)
A. 88,200 J
B. 31,900 J
C. 63,500 u
D. 48,100 J
+2
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Home » Physics » If a crane worker lifts a crate with a mass of 200 kg from the ground to a shipping container that is 45 meters off the ground, by how much has the worker increased the gravitational potential energy of the crate? (Recall that g = 9.8 m/s2) A.