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2 cards from this section. Quick, good the night before a test.
What are standing waves?
Think about what happens when waves combine.
Define nodes.
Consider where there is no movement in the wave.
What occurs at the nodes in a standing wave?
Consider where the wave isn't moving.
True or False: Resonance only occurs in musical instruments.
Think about other structures like bridges and buildings.
A string fixed at both ends vibrates with three antinodes. If its length is 2m, what is the wavelength of the standing wave?
Consider how many waves fit into the length of the string.
Describe a scenario in which resonance could cause a bridge design to fail during an earthquake. What factors should engineers consider?
Think about the relationship between resonance and external forces acting on structures.
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