can someone explain how you go about calculating it please 17. There are two sys

Question

can someone explain how you go about calculating it please

17. There are two systems, A and B, that each can hold energy System A has 4 binary degrees of freedom (i.e., each degree of freedom can either be empty or hold one packet of energy System B has 3 binary degrees of freedom. packets of energy available (each packet is identical so we can't tell them apart). Systems A and B are placed in contact with each other, but are completely isolated from their surroundings. ). There are 4 total One distribution of energy between these two systems is shown in the figure. How many total microstates are there for the macrostate that corresponds to the energy distribution shown in the figure? a.

Explanation / Answer

For the macrostate shown, the net energy of the combined system is 4E, where E is one packet of energy.

The possible microstates are

1 binary degree of A and 3 binary degrees of B contain energy.

2 binary degrees of A and 2 binary degrees of B contain energy.

3 binary degrees of A and 1 binary degree of B contain energy.

4 binary degrees of A and 0 binary degrees of B contain energy.

So number of microstates is 4

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