Amy, standing near a straight road, records the sound of the horn of a car traveling at a constant speed. The recorded frequency as a function of the car's position along the road for trials at different car speeds is accurately graphed below.
Amy, standing near a straight road, records the sound of the horn of a car traveling at a constant speed. The recorded frequency as a function of the car's position along the road for trials at different car speeds is accurately graphed below.
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Dropdown is greater than, less than, or equal to
Transcribed Image Text:Amy, standing near a straight road, records the sound of the horn of a car traveling at a constant speed. The recorded frequency as a function of the car's
position along the road for trials at different car speeds is accurately graphed below.
1050
Q
Observed Frequency, (Hz)
1000
950
900
850
800
PA
-100
-50
T
0
▪▪▪▪▪
50
100
Position, (m)
The speed in trial T is ..... that in other trials.
The distance of Amy from the path in R is ..... in S.
The speed in trial Q is ..... that in other trials.
When the car is far away, the average of the frequencies moving in and out is
The speed in trial U is that in S.
The speed in trial S is
to that in R.
Using the data on the figure, calculate the speed of the car in trial U. Use 340 m/s for the speed of sound.
▪▪▪▪▪
the frequency at rest.
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