Question: can you please solve and explain An electric elevator with a motor at the top has a multistrand cable weighing 4 lb/ft. When the car

can you please solve and explain

An electric elevator with a motor at the top has a multistrand cable weighing 4 lb/ft. When the car is at the first floor, 170 ft of cable are paid out, and effectively 0 ft are out when the car is at the top floor. How much work does the motor do just lifting the cable when it takes the car from the first floor to the top? 9 The amount of work required is [| ftb. (Simplify your answer.) Instructor tip TECH: 1) Integrals. Harder problems, such as this, will be worth proportionally less points on the exam. Hint: The basic model for work is the force-distance product W=F*D, applicable when a uniform force is applied across a distance D. In this case, each small length of rope must travel a different distance for the rape to be fully pulled in. (OA lect=

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