(a) The graphs below show the displacement of a wave at a given position as a function of time and the displacement of the same wave at a given time as a function of position. Determine the speed of the wave.

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) The graphs below show the displacement of a wave at a given position as a function of time and the
displacement of the same wave at a given time as a function of position. Determine the speed of the
wave.
y. (am).
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2020/11/16
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Transcribed Image Text:(a) The graphs below show the displacement of a wave at a given position as a function of time and the displacement of the same wave at a given time as a function of position. Determine the speed of the wave. y. (am). 2. 1 **** Ns) -2 09:40 ^$G 4) ENG 耳 25 2020/11/16 Type here to search HDM HIGN DEFINTTION MULTIE acer R
y (an)
1
(b) A sound source is delivering sound energy to the air, uniformly in all directions, at the rate of 25
watts. What is the intensity of the sound from that source at a distance of 18 metres from the source?
(Assume the absorption of sound by the air to be negligible. Assume there are no obstacles in the path
of the sound. Treat the sound source as a point source.)
09:41
ype here to search
CO
25
2020/11/16
HDN
acer
II
Transcribed Image Text:y (an) 1 (b) A sound source is delivering sound energy to the air, uniformly in all directions, at the rate of 25 watts. What is the intensity of the sound from that source at a distance of 18 metres from the source? (Assume the absorption of sound by the air to be negligible. Assume there are no obstacles in the path of the sound. Treat the sound source as a point source.) 09:41 ype here to search CO 25 2020/11/16 HDN acer II
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