Water Pressurized to 3

Multiple Choice

Water pressurized to 3.5 × 10⁵ Pa is flowing at 5.0 m/s in a horizontal pipe which contracts to 1/3 its former area. What are the pressure and velocity of the water after the contraction?

A) 2.5 × 10⁵ Pa, 15 m/s
B) 3.0 × 10⁵ Pa, 10 m/s
C) 3.0 × 10⁵ Pa, 15 m/s
D) 4.5 × 10⁵ Pa, 1.5 m/s
E) 5.5 × 10⁵ Pa, 1.5 m/s