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5. In your 2 meter long canoe you see a wave pass from the front to...

5. In your 2 meter long canoe you see a wave pass from the front to the back of the canoe in 3 seconds. You count and see exactly 20 crests and 19 troughs between you and the shore which is 40 meters away.

b. Determine the wave’s wavelength.

c. Determine the wave’s frequency.

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Answer #1

Length of canoe, L=2m

Time taken by a wave to pass the canoe boat, t=3s

Speed of the wave, v=L/t = 2/3 m/s =0.67 m/s

The distance to the shore is 40 m. And there are 20 crests and 19 troughs in the wave in this distance.

We know that, the distance between two consecutive crests is equal to wavelength.

B) Therefore, Wavelength

C) Frequency= (Speed of the wave)/ Wavelength

  

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