What is science and physics??

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

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).

In the “analyzing the problem” step in the problem solving process, one should evaluate the causes, effects, and symptoms of the problem. select the best answer from the choices provided t f