Q. A Carnot engine whose high-temperature reservoir is at 620 takes in 570 of heat at this temperature in each cycle and gives up 325 to the low-temperature reservoir.How much mechanical work does the engine perform during each cycle?What is the temperature of the low-temperature reservoir?What is the thermal efficiency of the cycle?
Q. If a violin string transmits waves at 375 m/s and has 295 Hz as its fundamental frequency, what is the string's length?