Phys211Exam4Sample

# Phys211Exam4Sample - Physics 211 Exam 4 Sample Problems 1 A...

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Physics 211 Exam 4 Sample Problems

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1)
A water  tank is  filled to a  depth of 10 m and the tank is 20 m above ground. What water pressure is present in a hose 2 cm in  diameter at ground level?  Assume no water is flowing through the hose, and that the tank is open to the  atmosphere. A)

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4.4  ×  10 5  N/m B)
3.9  ×  10 5  N/m C)

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9.2 N/m D)
The cross  sectional area of  the tank is  needed.  2)

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Water  flowing  through a  pipe suddenly comes to a section of pipe where the pipe diameter decreases to 86% of its previous value.  If the speed of the water in the larger section of the pipe was 36 m/s, what is its speed in this smaller  section?  A)
31 m/s  B)

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42 m/s  C)
27 m/s  D)

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49 m/s  3)
A 200.0  kg flat - bottomed  boat floats in fresh water, which has a density of 1000.0 kg/m 3 . Assuming that the base of the boat is

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## This note was uploaded on 01/18/2012 for the course PHY 211 taught by Professor Aaronsup during the Fall '11 term at Boise State.

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Phys211Exam4Sample - Physics 211 Exam 4 Sample Problems 1 A...

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