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a woman 5 feet tall is walking away from a streetlight hung 20 feet from the ground at a rate of 6ft how fast the shadow lengthing
 one year ago
 one year ago
a woman 5 feet tall is walking away from a streetlight hung 20 feet from the ground at a rate of 6ft how fast the shadow lengthing
 one year ago
 one year ago

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ksaimouliBest ResponseYou've already chosen the best response.0
dw:1353865196344:dw
 one year ago

ksaimouliBest ResponseYou've already chosen the best response.0
can i use dw:1353865365236:dw
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
you are using exactly the right approach. find x in terms of y and then differentiate with respect to time to get your answer.
 one year ago

ksaimouliBest ResponseYou've already chosen the best response.0
i know i got 18 but book used another one dw:1353865556968:dw
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
I think you have an error in your calculation. If I use the same ratio as you showed initially then I get an answer of 2 ft/s
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
maybe if you listed your steps then I may be able to help you spot where you may have made a mistake
 one year ago

ksaimouliBest ResponseYou've already chosen the best response.0
dw:1353865761171:dw
 one year ago

ksaimouliBest ResponseYou've already chosen the best response.0
dw:1353865816040:dw
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
sorry I meant that you have been given dy/dt = 6
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
x represents the shadow length
 one year ago

ksaimouliBest ResponseYou've already chosen the best response.0
so the shadow falls in front of her because the light is backwards?
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
yes  but I would say the light is behind her rather than "backwards" :)
 one year ago

ksaimouliBest ResponseYou've already chosen the best response.0
thx becasue of silly mistake whole answer is wrong thx for correcting me
 one year ago
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