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An 89 kg person climbs up a uniform 13 kg ladder. The ladder is 5.9 m long; its lower end rests on a rough horizontal floor (static friction coefficient 0.26) while its upper end rests against a frictionless vertical wall. The angle between the ladder and the horizontal is 52◦. Let d denote the climbing person's distance from the bottom of the ladder (see the above diagram). When the person climbs too far (d > dmax), the ladder slips and falls down (kaboom!). Calculate the maximal distance dmax the person will reach before the ladder slips. The acceleration of gravity is 9.8 m/s2.

User Spandyie
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5 votes

Answer:

The maximum distance the person will reach before he slip is 1.82m.

Not even close to the middle of the ladder.

Step-by-step explanation:

Check attachment for solution

An 89 kg person climbs up a uniform 13 kg ladder. The ladder is 5.9 m long; its lower-example-1
An 89 kg person climbs up a uniform 13 kg ladder. The ladder is 5.9 m long; its lower-example-2
User BJack
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