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 one year ago
intensity of light from bulb is inversely proportional to the square f the distance s from the bulb. if i=90w/m^2 when the distance s=20m, find the itensity at a distance of 10cm/
 one year ago
intensity of light from bulb is inversely proportional to the square f the distance s from the bulb. if i=90w/m^2 when the distance s=20m, find the itensity at a distance of 10cm/

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stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1formula is .. i=k(1/s) right or not?

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1and k=90x20 or k= 1800.. ?

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1and.. i sub 2 = 180 w/m^2?

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1please correct. :)

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0okay walk me through this step by step I think there is something missing here I want to be sure.

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0I sub 2= 180? I though it was 1800?

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1@godorovg : i sub 2 = 1800 / 10 so.. 180? am i wrong?

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0You didn't post i sub 2=1800/10 before that was why I thought it was wrong.

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1yeah? oh, ok! Thank you so much! ;D

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0no problem I try to teach not give answers I hope I have helped you

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0and you are not stupid in math.

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0just say because I know I use to feel that way as well, but I can tell you now I am pretty good in math because I learned how math works and I have faith my math skills. Math takes getting your hands dirty and working problems trust me this works..

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.1it made me sure though :)) yeah, i agree~ haha thanks, again.

godorovg
 one year ago
Best ResponseYou've already chosen the best response.0your welcome and if you need help again let me know :)
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