A child applies a force parallel to the -axis to a 10.0- sled moving on the froz

Question

A child applies a force parallel to the -axis to a 10.0- sled moving on the frozen surface of a small pond. As the child controls the speed of the sled, the -component of the force she applies varies with the -coordinate of the sled as shown in the figure

Part A Calculate the work done by the force when the sled moves from =0 to =8.0 Express your answer using two significant figurs.

Part B Calculate the work done by the force when the sled moves from =8.0 to =12.0. Express your answer using two significant figurs.

Part C Calculate the work done by the force when the sled moves from =0 to =12.0. . Express your answer using two significant figurs.

Explanation / Answer

Part A : 40 J >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Part B: 20 J >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Part C : 60 J

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