A bat flying along in a cave at a velocity of Vbat = 5.62 m/s sends...
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A bat flying along in a cave at a velocity of Vbat = 5.62 m/s sends out a sound wave of femitted=53400 Hz. The sound wave reflects off of a stationary stalactite and the bat hears a different frequency than the one he emitted. Use V sound = 343.8 m/s throughout this problem. Vbat What frequency strikes the stalactite? fstalactite The stalactite reflects what strikes it (NOT the original pitch). What frequency does the bat then hear coming from the stalactite? fbat= Hz What is the frequency of beats heard by the bat? fbeat NOTE: The bat hears two things: • The original frequency emitted. The "double doppler shifted" note from the stalactite. . Hz Hz A bat flying along in a cave at a velocity of Vbat = 5.62 m/s sends out a sound wave of femitted=53400 Hz. The sound wave reflects off of a stationary stalactite and the bat hears a different frequency than the one he emitted. Use V sound = 343.8 m/s throughout this problem. Vbat What frequency strikes the stalactite? fstalactite The stalactite reflects what strikes it (NOT the original pitch). What frequency does the bat then hear coming from the stalactite? fbat= Hz What is the frequency of beats heard by the bat? fbeat NOTE: The bat hears two things: • The original frequency emitted. The "double doppler shifted" note from the stalactite. . Hz Hz
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