The number of vibrations per minute made by and object is know as​

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?