Recent content by huykma

could you clarify on this point please? I'm confused as to how you progressed. Sorry, its 4am.

ah that makes much more sense, maybe because my professor studied in berlin, so his formula sheet has q and qo... what i ended up getting is... 37 = 100(1-e^(-2/rc)) 37/100 = (1-e^(-2/rc)) ln (63/100) = -2/rc R = -2 / (ln 63/100)(10^-6) = 4.3 x 10^6... which is...

so that would be... q = qo [1-e^(-t/rc)]

Homework Statement A simple RC Circuit consisting of a 100.0 V-battery in series with a 10.0- uF capacitor and a resistor. Initially, the switch is open and the capacitor is uncharged. Two seconds after the switch is closed, the voltage across the resistor is 37V. Determine the numerical...

AH I got it, man my professor made this pretty sticky haha. Thanks for the help.

I'm guessing it is the atomic mass that needs to conversion...but I can't seem to find it in my lecture notes... is there an equation for it?

Homework Statement The speed of sound in fresh water at 293k is 1482 m/s. At what temperature is the speed of sound in helium gas the same as that of fresh water at 293k? Helium is considered a monatomic ideal gas (y = 1.67 and atomic mass = 4.003u). A)442K B)377K C)525K D)313K E)633K...