18. Waves & Sound
The Doppler Effect
18. Waves & Sound The Doppler Effect
9PRACTICE PROBLEM
A self-driving drone navigates in space by emitting bursts of sound waves and detecting reflections from objects. If a navigation sound has a frequency of 22 kHz, determine the speed and direction of the drone relative to an object if it detects a frequency of 18 kHz.
A self-driving drone navigates in space by emitting bursts of sound waves and detecting reflections from objects. If a navigation sound has a frequency of 22 kHz, determine the speed and direction of the drone relative to an object if it detects a frequency of 18 kHz.