Water Pressurized to 4 * 10⁵ Pa Is Flowing at 5.0

question 23

Multiple Choice

Water pressurized to 4 * 10⁵ Pa is flowing at 5.0 m/s in a pipe which contracts to 1/3 of its former area. What are the pressure and speed of the water after the contraction? (density of water = 1 * 10³ kg/m³)

• A) 2 * 10⁵ Pa, 15 m/s
• B) 3 * 10⁵ Pa, 10 m/s
• C) 3 *10⁵ Pa, 15 m/s
• D) 4 * 10⁵ Pa, 1.5 m/s

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