Sennee cut a ribbon into 3 equal pieces . Then she cut 5 inches off one piece . That piece is now 3 inches long. What was the le
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Answer:
5.0 ft-lbf
Step-by-step explanation:
The force is
This force is not a constant force. For a non-constant force, the work done, <em>W</em>, is
with and
the initial and final displacements respectively.
From the question, and
.
Then
Evaluating the indefinite integral,
From the rules of integration,
Returning the limits,