The lever on a car jack uses n of effort over a distance of meters to raise a

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1.The lever on a car jack uses 549 N of effort over a distance of 39.5 meters to raise a ...

ight of 5854 N through a distance of 2.5 meters. What is the mechanical efficiency of the lever? A 141.3 newton person climbs a set of stairs that is 25.2 meters long but only 8.8 meters high. The person only needs to exert 163.2 newtons of effort to climb the stairs. What is the mechanical efficiency of the this staircase?

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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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