The top surface of a calm, smoothly flowing stream

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The top surface of a calm, smoothly flowing stream is always at atmospheric pressure. As water in this stream runs into a tree stump and slows almost to a stop, the water's top surface

shifts upward slightly above the normal stream level.

shifts downward slightly below the normal stream level.

stays at the same height and does not begin to rotate.

stays at the same height but begins to rotate clockwise as viewed from above.

 

 

Reference no: EM13872954

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