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 Observed Frequency, is 1000 950 900 850 800 ……….. TATA -100 - -U -50 S 0 Position, (m) 50 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. 100 When the car is far away, the average of the frequencies moving in and out the frequency at rest. 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.

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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
Observed Frequency, (Hz)
1000
950
900
850
ub
800
…….….
P.A.
-100
is the frequency at rest.
-50
T
0
—
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
The speed in trial U is ..... that in S.
The speed in trial S is
to that in R.
50
100
Using the data on the figure, calculate the speed of the car in trial U. Use 340 m/s for
the speed of sound.
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 Observed Frequency, (Hz) 1000 950 900 850 ub 800 …….…. P.A. -100 is the frequency at rest. -50 T 0 — 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 The speed in trial U is ..... that in S. The speed in trial S is to that in R. 50 100 Using the data on the figure, calculate the speed of the car in trial U. Use 340 m/s for the speed of sound.
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