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You are moving into an apartment and take the elevator to the 6th floor. Assume your weight is 650 Newton and that of your belongings is 990 N.
(a) Find the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 meter) at a constant velocity.
(b) Find 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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