20. A young woman and her boyfriend plan to elope, but she must rescuse him from his mother, who has locked him in his room. The young woman has placeda 20-foot long ladder against his house, and is knocking on his window when his mother begins pulling the bottom of the ladder away from the house at a rate of 3 feet per second. How fast is the top of the ladder (and the young couple) falling when the bottom of the ladder is:
(a) 12 feet from the bottom of the wall?
(b) 16 feet from the bottom of the wall?
(c) 19 feet from the bottom of the wall?
help me please slve this I dont have any thougths how to do it
(a) 12 feet from the bottom of the wall?
(b) 16 feet from the bottom of the wall?
(c) 19 feet from the bottom of the wall?
help me please slve this I dont have any thougths how to do it
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