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?A variable force of \(5 x^{-2}\) pounds moves an object along a straight line when it
Chapter 5, Problem 3(choose chapter or problem)
A variable force of \(5 x^{-2}\) pounds moves an object along a straight line when it is \(x\) feet from the origin. Calculate the work done in moving the object from \(x=1 f t\) to \(x=10 \mathrm{ft}\).
Equation Transcription:
Text Transcription:
5x^-2
x
x=1ft
x=10ft
Questions & Answers
QUESTION:
A variable force of \(5 x^{-2}\) pounds moves an object along a straight line when it is \(x\) feet from the origin. Calculate the work done in moving the object from \(x=1 f t\) to \(x=10 \mathrm{ft}\).
Equation Transcription:
Text Transcription:
5x^-2
x
x=1ft
x=10ft
ANSWER:
Step 1 of 2
We know that
If an object moves along the -axis in the positive direction from to and is a force applied on that object.
Then the work done by this force on the object is given by