The Doppler shift may be helpful for someone trying to . overcome a visual illusion block out irrelevant noises locate sounds see an object in very dim light

Anybody wanna ? (picture included? )

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

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).