[填空题]
An elevator in a tall building is allx3+ec/-cp1k m o ucggo( rd)h+owed to rk s*)ea :bk n8txw3kh;each a maximum speed of 3.5 $\mathrm{~m} / \mathrm{s}$ going down. What must the tension be in the cable to stop this elevator over a distance of 2.6 m if the elevator has a mass of 1300 kg including occupants?
