Find the temperature at point A$.$

b$)$ Is the net work after the full cycle positive or

negative? Is the work done by or on the system

Explain.

c$)$ Calculate the net work involved in the full

cycle, with its proper sign.

d$)$ Is heat added to the gas or removed from the

gas after the entire cycle? Explain.

e$)$ Calculate the net heat involved in the full

cycle, with its proper sign.

f$)$ What is the change in internal energy $$U for

the entire cycle?