Question

Aladder 10 feet long is leaning against a wall, with the foot of the ladder 8 feet away from the wall. If the foot of the ladder is being pulled way from the wall at 3 feet per second, how fast is the top of the ladder sliding down the wall? 10 3 5

Answer 1

As per the given data 4 is the correct answer.

toft let the foot of laddes of It au away from the wall top of laddan is 4 feet above the ground and 3ft/s X- at cet a rafe ftis 3 at foot of the ladder being pulled away from the wall 3ftis dax meano Increasing x2 + y2 = 102 when X=oft f2 + y2 = 100 y = differentiate ear with respect to time + 2y dy 36 a ya f ft 2x dx at de dy do dal at when X=8 of ly=6 ft 8 dy. (2) -- [4] f46 Negative regn indicated 'y' is decreasing the ladder's top is sliding down the wall at a rate Aft/sec no such option but it is correct arper given datas 50 There is