8 A sound wave traveling from a guitar produces a tone with a frequency of 264 Hz. The speed
of sound in the room is 340 m/s. What is the wavelength of the sound wave from the guitar? *
(1 Point)
0.004 m
0.8 m
1.3 m
2.6 m

Refrigerant-134a flows through a carnot heat pump cycle at 0.5 kg/s. it is known that the maximum absolute temperature in the cycle is 1.1 times the minimum absolute temperature, and the net power input to the cycle is 2.5 kw. if the refrigerant changes from a saturated vapor to a saturated liquid during the heat rejection process, determine the maximum magnitude of the enthalpy of vaporization for this process in kj/kg (with 3 significant figures).