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You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 685 N and that of your belongings is 915 N.
(a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a constant velocity.
(b) How much work does the elevator do on you alone (without belongings) on the downward trip, which is also made at a constant velocity? |
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