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A 25 kg child plays on a swing with support ropes that are 2.2 m long. A friend pulls her back
until the ropes are 42.2 from the vertical and releases her from rest. What is the potential
energy for the child just as she is released compared with the potential energy at the bottom of
the swing?
A. 177 J
B. 140 J
O
C. 539 J
D. 160 J
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To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit
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A 25 kg child plays on a swing with support ropes that are 2.2 m long. A friend pulls her back
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