Incompressible water flows out of a large reservoir through a ...

[cherise1989]

Incompressible water flows out of a large reservoir through a pipe that opens to the atmosphere 5.70 m below the level of the water in the reservoir. What is the speed of the water as it comes out of the pipe?
 
  A) 1.72 m/s
  B) 7.47 m/s
  C) 55.8 m/s
  D) 10.6 m/s
  E) 27.9 m/s

Question 2

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 what is its speed in this smaller section?
 
  A) 49 m/s
  B) 42 m/s
  C) 31 m/s
  D) 27 m/s

[ryansturges]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: A

[cherise1989]

Excellent

[amcvicar]

Gracias!