Recent content by dperkovic

Homework Statement In moments of arbitrary time interval T, receiver catches the two signals, by one in each moment. Signals can not distinguish if the differences in time between the signal reception is less than t = 0.1T. Determine the probability that the receiver does not distinguish...

Thank you both, Njama & Mark44.

I see...so, formula must be: A_1\cup \left[ B_1\cap B_2 \cap B_3 \right] \cup A_2 instead of A_1\cap \left[ B_1\cup B_2 \cup B_3 \right] \cap A_2 ?

Homework Statement Electric circuit (as shown in the picture), is made from five elements. Failures of elements are independent, with probabilites: A_1-0.6, B_1-0.4, B_2-0.7, B_3-0.9 and A_2-0.5. Find the probabilty of current break, between M and N. Homework Equations For...

I'll try, thank you anyway

This stand for constant gibbs, am I right ?

Maybe it is true, but I think that knowing real world examples help me to better understand thermodynamics. Than, I can compare "mathematics" with real world.

Homework Statement Specify at least two ( physical or chemical), real world, processes for each of this cases: a) Internal energy is constant b) Entalpy is constant c) Gibbs free energy is constant d) Helmholtz free energy is constantHomework Equations a) dU = TdS - pDV = 0 b) dH = TdS...

P(A and B) = P(A) x P(B after A) is correct,because this is depended events, is that true ? If it is, the solution would be: 30/300 * 29/299 * 28/298 * 27/297.

P(A and B) = P(A) x P(B) ?

Homework Statement There is total of 300 balls in the basket, 30 of them is red (rest is white). If we picked up, randomly, 4 balls, what is the probabilty that all of them is red ? 2. The attempt at a solution For one picked ball, probability that it's red is 30/300 = 1/10. If...

Do I need to supstitute x_n, with standard eq for harmonic oscillator ( A_n\cos(\omega_n t+\phi_n)), before addition and substraction ?

Ouch ! Mea culpa ! Must be omega*(x1-x2) in first eq !

The problem is: Two damped harmonic oscillator are coupled. Both oscillators has same natural frequency \omega_0 and damping constant \beta. 1st oscillator is damped by 2nd oscillator. Damping force is proportional to velocity of 2nd oscillator. And, vice versa, 2nd oscillator is...

This is the explanation which I looking for :smile: :smile: :smile:. Thank you !