Chapter 14 next time questions

Chapter 14 next time questions - which it is pushed. Water...

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In the presence of air, the small iron ball and large  plastic ball balance each other. When air is evacuated  from the container, the larger ball 1. rises. 2. falls. 3. remains in place.
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Consider an air-filled balloon weighted so that it is on  the verge of sinking—that is, its overall density just  equals that of water. Now if you push it beneath the surface, it will 1. sink. 2. return to the surface. 3. stay at the depth to 
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Unformatted text preview: which it is pushed. Water with air bubbles flows through a pipe that becomes narrower. In the narrow region the water gains speed and the bubbles are 1. larger. 2. smaller. 3. the same size. Youre driving in a convertible car with the top up and the windows closed. You note that the fabric top puffs up. To explain this interesting phenomenon you invoke 1. Bernoullis principle 2. Newtons laws 3. Both...
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Chapter 14 next time questions - which it is pushed. Water...

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