4A. You look out at the ocean and watch the waves come toward the shore. None of

Question

4A. You look out at the ocean and watch the waves come toward the shore. None of the waves break until they are close to the shore. As you watch, you see a ball, partially submerged, but visible with a small part of the ball above the water. It moves up and down as the waves go by, but it does not move significantly toward the shore. Why is this? (Pick all that really matter.)

a. The ball is too heavy.

b. The water flows toward shore, but the water has little viscosity and the ball is not moved along. c. The water does not actually flow to the shore much at all.

d. The amplitude of the waves makes a big difference in what happens. e. none of the above.

Explanation / Answer

The answer is B..
A wave is moving under the ball. The ball stays in the one spot because the wave has no effect in moving it forward or backward..

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