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a source emits 1700Hz frequency

a source emits 1700Hz frequency travelling at a speed of 70m/s. A detector is placed 200m away. What is the frequency detected
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2. asked by please Help urgentlyph
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Three sources of sound are distributed along a line, as shown in the figure. v is the speed of sound. Source A is at rest, and
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2. asked by Ben
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A source of sound emits waves at a frequency f= 650 Hz. An observer is located at a distance d= 170 m from the source. Use u=340
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2. asked by Anonimus
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A source of sound emits waves at a frequency 650 Hz. An observer is located at a distance 190 m from the source. Use m/s for the
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2. asked by juanpro
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A radar device emits microwaves with a frequency of 4.73E+9 Hz. When the waves are reflected from a van moving directly away
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2. asked by Joan
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Blood flow rates in the umbilical cord can be found by measuring the Doppler shift of the ultrasound signal reflected by the red
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2. asked by Becky
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Two sources of sound are located on the x axis, and each emits power uniformly in all directions. There are no reflections. One
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2. asked by Anonymous
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An electronic point source emits sound isotropically at a frequency of 3000 Hz and a power of 34 watts. A small microphone has
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2. asked by caleb
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A train at rest emits a sound at a frequencyof 1089 Hz. An observer in a car travels away from the sound source at a speed of
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2. asked by Anonymous
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Resonance in a system, such as a string fixed at both ends, occurs whena) it is oscillating in simpler harmonic motion b) its
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2. asked by Satej
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