Question

A force is applied to a 2.0- radio-controlled model car parallel to the -axis as it moves along a straight track. The -component of the force varies with the -coordinate of the car as shown in the figure (Figure 1) .
Part A
Calculate the work done by the force when the car moves from =0 to =3.0.
Express your answer using two significant figures.
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Part B
Calculate the work done by the force when the car moves from =3.0 to =4.0.
Express your answer using two significant figures.
=


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Part C
Calculate the work done by the force when the car moves from =4.0 to =7.0.
Express your answer using two significant figures.
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Part D
Calculate the work done by the force when the car moves from =0 to =7.0.
Express your answer using two significant figures.
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Part E
Calculate the work done by the force when the car moves from =7.0 to =2.0.
Express your answer using two significant figures.
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Answer 1

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