A person weighing 635N climbs up a ladder to a height of 5.0m.Use the person and

Question

A person weighing 635N climbs up a ladder to a height of 5.0m.Use the person and the earth as the system. a) How do you draw energy bar graphs of the system before theperson starts to climb the ladder and after the person stops at thetop. Has the mechanical energy changed? If so, by how much? b) Where did the energy come from? A person weighing 635N climbs up a ladder to a height of 5.0m.Use the person and the earth as the system. a) How do you draw energy bar graphs of the system before theperson starts to climb the ladder and after the person stops at thetop. Has the mechanical energy changed? If so, by how much? b) Where did the energy come from?

Explanation / Answer

                                                    = 3200 J b) The energy comes from the internal energy of theperson.

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