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Unformatted text preview: added to one side, as shown in the fgure. The density oF the water is 1.00x10 3 kg/m 3 , and the density oF the vegetable oil is 9.20x10 2 kg/m 3 . IF the depth oF the oil is 5.00 cm, what is the height h1 on the other side? a. 4.60 cm b. 0.40 cm c. 8.3 cm d. 9.8 cm e. 3.8 cm 21. A tank oF water as shown in the fgure below has a hole through the side oF the tank at a depth h below the surFace. What is the speed v 2 oF the water as it emerges? Hint: use Bernoulli's equa±on. a. sqrt(2gh) b. sqrt(gh) c. gh d. 2sqrt(gh) e. sqrt(gh/2) 22. A spring with spring constant 17 N/m hangs From the ceiling. A ball is a²ached to the spring and allowed to come to rest. It is then pulled down 4 cm and released. The ball makes 30 oscilla±ons in 15 seconds. What is its maximum speed? 23. A mass M is a²ached to an ideal massless spring. When this system is set in mo±on with amplitude A, it has a period T. What is the period iF the amplitude oF the simple harmonic mo±on is increased to 2A?\...
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 Spring '14
 Physics, m/s, 1.0 M, 4 cm, 3.8 cm

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