Recent content by alex1261

Homework Statement The problem was asking to find the time dilation of a rocket traveling upwards at 100,000 m/s with the reference point being Earth for a duration of a day. Homework Equations 1/√(1-(β^2)) Δt = γΔt' The Attempt at a Solution I've calculating gamma to be...

Yes! Thank you for you help!

Hi can you explain the L'Hopitals rule? I'm sorry I'm just starting Calculus and my teacher assigned this problem and we have yet to learn it. Thanks.

Determine all values of the constant a such that the following function is continuous for all real numbers. f(x) = ax/tan x, if x≥ 0 a^2 -2, if x<0 I've tried to plug in zero but the tan x throws me off because plugging in zero will give me a 0/0. Other than that I am stuck on what to do.

yeah I was considering that. And to find the volume in state 4, I would have to use PV=nRT correct ? since T isn't constant ?

can anyone help please ? I've figured out pressure, but I'm stuck on how to find volume

Ok my answer to the volume are wrong, do I use P1V1=P2V2 or do I use PV=nRT equation ?

Thanks ! i have managed to solve a and b but now i am stuck on c I believe the answer to c is isobaric, because P=F/A is not affected by the growing volume nor the temperature. and it can't be isothermal because the temperature is changing. and I don't quite understand how adiabatic works.

Homework Statement http://www.docstoc.com/docs/14364187/Heat_-Temperature_-Thermodynamics-and-Heat-Engines-Problem-Set This question I am trying to figure out is Number eight with the four cylinders. Homework Equations P=F/A PV=nRT The Attempt at a Solution I'm stuck at trying to...