Recent content by reaxn

ok i subsituted in all the values and came out with a Q of 9897.1 i interchanged Q and U and plugged in U = I^2*R*t i used 5 for I and time 600s? is that correct or should i have used 10 mins? the R came out to be .660 once i solved for R seems very wrong for some reason :(

if any1 can log onto aol instant messenger or mirc, post your screename or an irc server/channel name, so that we can chat :) thanks

The experiment is joule heating and I'm trying to calculate the filament resistance.1.) mass of the calorimeter cup 49.5g specific heat of the aluminum cup: 0.22 cal/kg*K mass of calorimeter cup w/ water 232.5g initial water temp. 20.5 C voltage across heater 7.3V current through heater 5A final...