MasteringPhysics6a

# MasteringPhysics6a - MasteringPhysics Assignment Print View...

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MasteringPhysics: Assignment Print View http://session.masteringphysics.com/myct/assignmentPrint?assignmentI. .. 2 of 12 10/4/2007 3:56 PM Find the net work done on the particle by the external forces during the particle's motion. Express your answer in terms of and . ANSWER: = Part D Substitute for from Part B in the expression for work from Part C. Then substitute for from the relation in Part A. This will yield an expression for the net work done on the particle by the external forces during the particle's motion in terms of mass and the initial and final velocities. Give an expression for the work in terms of those quantities. Express your answer in terms of , , and . ANSWER: = The expression that you obtained can be rearranged as The quantity has the same units as work. It is called the kinetic energy of the moving particle and is denoted by . Therefore, we can write
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MasteringPhysics6a - MasteringPhysics Assignment Print View...

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