Waves and Sound

What defines a mechanical wave?

• the particles move away from equilibrium as the wave passes, but return to equilibrium when the wave has passed
• the particles move away from equilibrium as the wave passes and stay there
• the particles in the medium do not move, only energy is transferred
• the particles move toward equilibrium as the wave passes and move away from equilibrium when the wave has passed

When fans do the wave at a football game, this is an example of

• a longitudinal wave
• a transverse wave

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the speed of a wave

• frequency
• wavespeed
• period
• wavelength

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how often a wave occurs

• frequency
• wavespeed
• period
• wavelength

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the distance from crest to crest or trough to trough

• frequency
• wavespeed
• period
• wavelength

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the time it takes for a wave to complete one cycle

• frequency
• wavespeed
• period
• wavelength

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this is measured in hertz

• frequency
• wavespeed
• period
• wavelength

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this is measured in m/s

• frequency
• wavespeed
• period
• wavelength

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this is measured in seconds

• frequency
• wavespeed
• period
• wavelength

this is measured in meters

• frequency
• wavespeed
• period
• wavelength

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