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Q. A baseball is hit at ground level. The ball reaches its maximum height above ground level 3.0 s after being hit. Then 2.5s after reaching its maximum height, ball barely clears a fence that is 97m from where it was hit. Suppose the ground is level.

Q. The tank shown below is full of water. Recall that density of water is 1000; kg/m^3. Suppose that the pump breaks down after 4.7 times 10^5 J of work have been done. What is the depth (in meters) of the water remaining in the tank? Take care your answer is accurate to the nearest tenth.

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