Examlex
An electrical generating plant operates at a boiler temperature of 220 C and exhausts the unused heat into a nearby river at 18 C.What is the maximum theoretical efficiency of the plant? (0 C = 273 K)
Q2: If a 1000-kg car was moving at
Q2: The nurse cares for a patient who
Q4: What happens to a volume of
Q12: The temperature of a quantity of
Q12: How can a charged object attract an
Q43: A parallel-plate capacitor has a capacitance of
Q48: If body M,with a positive charge,is used
Q53: Why do vapor bubbles get larger in
Q71: A proton moving at 3.0 x
Q75: A room has a volume of