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

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

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

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

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

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

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

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

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

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