What is the frequency of a water wave that has a wavelength of 0.5 m and a speed of 4.0 m/s?

The ph of your mouth is very similar to that of stomach. true or false?

What is the relationship between the direction of motion of the balloon and the wind currents

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?