-/ 10 View Policies Current Attempt in Progress Two sinusoidal 120 Hz waves, of the same frequency and amplitude, are to be sent in the positive direction of an x axis that is directed along a cord under tension. The waves can be sent in phase, or they can be phase-shifted. The figure shows the amplitude y' of the resulting wave versus the distance of the shift (how far one wave is shifted from the other wave). The scale of the vertical axis is set by y'= 6.0 mm. If the equations for the two waves are of the form y(x, t) = Ymsin(kx + wt), what are (a) ym. (b) k, (c) w, and (d) the correct choice of sign in front of w? 20 Shift distance (cm) (a) Number i Units (b) Number i Units i Units (c) Nu (d) II! (uu),

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Chapter1: Units, Trigonometry. And Vectors
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-/ 10 E
View Policies
Current Attempt in Progress
Two sinusoidal 120 Hz waves, of the same frequency and amplitude, are to be sent in the positive direction of an x axis that is directed
along a cord under tension. The waves can be sent in phase, or they can be phase-shifted. The figure shows the amplitude y' of the
resulting wave versus the distance of the shift (how far one wave is shifted from the other wave). The scale of the vertical axis is set by
y's= 6.0 mm. If the equations for the two waves are of the form y(x, t) = ymsin(kx ± wt), what are (a) ym, (b) k, (c)w, and (d) the correct
choice of sign in front of w?
10
20
Shift distance (cm)
(a) Number
i
Units
Units
(b) Number
Units
(c) Nu
(d)
y' (mm)
Transcribed Image Text:-/ 10 E View Policies Current Attempt in Progress Two sinusoidal 120 Hz waves, of the same frequency and amplitude, are to be sent in the positive direction of an x axis that is directed along a cord under tension. The waves can be sent in phase, or they can be phase-shifted. The figure shows the amplitude y' of the resulting wave versus the distance of the shift (how far one wave is shifted from the other wave). The scale of the vertical axis is set by y's= 6.0 mm. If the equations for the two waves are of the form y(x, t) = ymsin(kx ± wt), what are (a) ym, (b) k, (c)w, and (d) the correct choice of sign in front of w? 10 20 Shift distance (cm) (a) Number i Units Units (b) Number Units (c) Nu (d) y' (mm)
This answer has no units
Question 3 of 10
(degrees)
-/ 10 E
mm
View Policies
kg
Current Attempt in Progress
Two sinusoidal 120 Hz waves, of the same frequency and a
m/s
along a cord under tension. The waves can be sent in phase
he positive direction of an x axis that is directed
d. The figure shows the amplitude y' of the
her wave). The scale of the vertical axis is set by
resulting wave versus the distance of the shift (how far one
m/s^2
y's= 6.0 mm. If the equations for the two waves are of the fo
choice of sign in front of w?
hat are (a) ym, (b) k, (c) w, and (d) the correct
W
y N/m
kg-m/s or N-s
N/m^2 or Pa
kg/m^3
m/s^3
times
Units
(a) Number
Units
(b) Number
Units
(c) Number
(d)
<>
<>
(u), Á
Transcribed Image Text:This answer has no units Question 3 of 10 (degrees) -/ 10 E mm View Policies kg Current Attempt in Progress Two sinusoidal 120 Hz waves, of the same frequency and a m/s along a cord under tension. The waves can be sent in phase he positive direction of an x axis that is directed d. The figure shows the amplitude y' of the her wave). The scale of the vertical axis is set by resulting wave versus the distance of the shift (how far one m/s^2 y's= 6.0 mm. If the equations for the two waves are of the fo choice of sign in front of w? hat are (a) ym, (b) k, (c) w, and (d) the correct W y N/m kg-m/s or N-s N/m^2 or Pa kg/m^3 m/s^3 times Units (a) Number Units (b) Number Units (c) Number (d) <> <> (u), Á
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