# Energy and Power of Waves

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Waves Learning Material
Tutorial IDTitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
11.3Energy and Power of Waves

## Physics Revision Questions for Energy and Power of Waves

1. A 200 g rope is oscillating as shown in the figure.

What is the kinetic energy of transferred by the rope?

1. 0.006 J
2. 0.003 J
3. 60 J
4. 30 J

2. What is the total energy transferred by a 40 m3 water wave if it is 60 cm high? The wave is moving at 1 m/s and its wavelength is 2 m. Take the density of water equal to 1000 kg/m3.

1. 70 989 J
2. 35 495 J
3. 7 099 J
4. 11 304 J

3. A 100 g rope shakes as shown in the figure.

What is the power delivered by the rope if it is 2 m long when stretched?

1. 105 W
2. 104 W
3. 10-4 W
4. 10-5 W

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5. Continuing learning waves - read our next physics tutorial: Interference of Waves

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