A bat flying toward a wall emits a 44000-Hz sonar pulse. The
pulse is reflected back from the wall and the bat hears the
reflected pulse at a frequency of (44000 + 550) Hz. Take the speed
of sound to be 343 m/s.
Find the speed of the bat, in meters per second.
A bat flying toward a wall emits a 44000-Hz sonar pulse. The pulse is reflected back...
A bat, flying at 4.9 m/s, pursues an insect that is flying at 1.1 m/s in the same direction. The bat emits a 47000-Hz sonar pulse. Take the speed of sound to be 343 m/s. At what frequency, in hertz, does the bat hear the pulse reflected back from the insect?
A bat flying at 17.1 m/s (ground speed) emits a 503 Hz sonar ping. The sound returns after 1.302 seconds at frequency 575 Hz. Assume the Speed of Sound in this type of air is 343 m/s. Determine the Velocity of the object, in m/s relative to the ground. Take "moving away" as Positive.
3. A bat flying toward a wall at 6.0m/s emits a sound at a frequency of 35kHz. What is the frequency of the echo (sound reflected by the wall back to the bat) that the bat hear? Assume the speed of sound to be 343m/s.
A bat, flying at 4.70 m/s toward a wall, emits a chirp at 50.0 kHz. If the wall reflects this sound pulse, what is the frequency, in kHz, of the echo received by the bat? (vsound = 340 m/s)
A bat, flying at 20.0 m/s, emits a chirp at 40.0 kHz. If this sound pulse is reflected by a wall, what is the frequency of the echo received by the bat? (V sound = 340 m/s. unit in kHz)
As a bat flies toward a wall at a speed of 6.0 m/s, the bat emits an ultrasonic sound wave with frequency 30.0 kHz. What frequency does the bat hear in the reflected wave? Ship A is traveling 20 m/s due east. Ship B is traveling 15 m/s due west away from Ship A. Ship A sounds a horn with a frequency of 1500 Hz. What frequency does an observer on Ship A hear in the reflected wave from Ship...
Some bat species eat up to 1,000 mosquitoes in an hour. A bat, flying with a speed of 4.36 m/s, is in pursuit of a mosquito. While in motion, the bat produces a 39.70 kHz sound and hears the sound which is reflected off the mosquito at a frequency of 40.36 kHz. (Assume the speed of sound in air is v = 343 m/s.) How fast is the mosquito flying (in m/s)?
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz. The bird-watcher, however, hears a frequency of 1110 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1480 Hz. The bird-watcher, however, hears a frequency of 1510 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A bat flying at 3.00 m/s is chasing an insect flying away from it at a speed of 5.00 m/s. The bat emits a 40.0 kHz chirp which is detected by the insect. What is the frequency of sound detected by the insect, assuming that the insect can actually “hear” the chirp emitted by the bat? (The speed of sound in air is 343 m/s.)