A toy boat floats on water in a tank. The boat is initially stationary.
A stone is thrown into the tank, which causes a transverse water wave to move across the surface.
The diagram shows the view from above the tank.
How does the boat behave as the wave passes it?
1 )
It moves steadily away from where the stone hit the water.
2 )
It moves steadily towards where the stone hit the water.
3 )
It stays the same distance from where the stone hit the water, and vibrates from side to side.
It stays the same distance from where the stone hit the water, and vibrates up and down.
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