Jim is speeding toward james island with a speed of 24 m/s when he sees betsey standing on shore at the base of a cliff. jim sounds a 330 hz horn. what frequency does betsey hear? jim can hear the
echo of his horn reflected back to him by the cliff. is the frequency of this echo greater than or equal
to the frequency heard by betsy? explain. calculate the frequency jim hears for the echo from the
cliff.