Alex works at a legal firm which produces a lot of documents. Often Alex has to carry heavy stacks of documents from one office to another. On this particular day Alex, who weighs 75 kilograms, has to transport a stack of documents which weighs10 kilograms. He has to lift them 5 meters from the floor and then carry them to an office 100 meters down the hall, where he will drop them on the floor. Alex walks swiftly at a steady rate of 1 meter per second. What two pieces of information given in the above description will help you compute the amount of work Alex does when he lifts the papers? After Alex has lifted the papers, he pauses a moment to rest. What type of energy do the papers he is holding possess? When Alex finishes carrying the papers, he drops them on the floor. What type of energy do the papers possess as the drop? Is the energy of the stack of papers when Alex holds them equal to the energy of the papers dropping on the floor? Why or why not?

Question

Alex works at a legal firm which produces a lot of documents. Often Alex has to carry heavy stacks of documents from one office to another. On this particular day Alex, who weighs 75 kilograms, has to transport a stack of documents which weighs10 kilograms. He has to lift them 5 meters from the floor and then carry them to an office 100 meters down the hall, where he will drop them on the floor. Alex walks swiftly at a steady rate of 1 meter per second. What two pieces of information given in the above description will help you compute the amount of work Alex does when he lifts the papers? After Alex has lifted the papers, he pauses a moment to rest. What type of energy do the papers he is holding possess?  When Alex finishes carrying the papers, he drops them on the floor. What type of energy do the papers possess as the drop? Is the energy of the stack of papers when Alex holds them equal to the energy of the papers dropping on the floor? Why or why not?