a-self-driving-drone-navigates-in-space-by-emitting-bursts-of-sound-waves-and-de

Question

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.

Accepted Answer

76.2 m/s, away from the object.

Answer

76.2 m/s, towards the object.

Answer

62.4 m/s, away from the object.

Answer

62.4 m/s, towards the object.

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

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.