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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
 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
 one year ago

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

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

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

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

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

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

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

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

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

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

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

godorovgBest ResponseYou've already chosen the best response.0
just 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..
 one year ago

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

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