Mathematics, 14.06.2020 06:57, chl75
A ladder of length 15 feet is leaning a wall and is sliding away from the wall top of the ladder is sliding down at a rate of 3 ft/s. Find rate at which bottom of the latter is moving at the at the moment when the top ladder is 12ft from the ground
Answers: 1
the length of the ladder, 
the horizontal distance from the bottom of the ladder to the wall and 
the vertical distance from the top of the ladder to the floor. Besides, let is assume that wall is perpendicular to floor. The geometry associated with the ladder can be modelled after the Pythagorean Theorem:
, 
and 
(as top of the ladder is sliding down), the rate of change of the bottom of the ladder is:
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A ladder of length 15 feet is leaning a wall
and is sliding away from the wall top of the ladder is...
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