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Physics 7 Online
OpenStudy (anonymous):

A ladder (18kg and 2.5m long) is propped up against a wall at 28 degrees to the vertical. there is no friction between the wall and the ladder but there is friction between the ladder and the floor ( coefficient of static friction = 0.24). how far can a person (70kg mass) clim up the ladder before he slips? Please help, I have been stuck on this for hours!

OpenStudy (fifciol):

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