Water Pressurized to 3

Multiple Choice

Water pressurized to 3.00 × 10⁵ Pa is flowing at 5.25 m/s in a pipe which contracts to 1/2 of its former area.What are the pressure and speed of the water after the contraction? (Density of water = 1 × 10³ kg/m³. )

A) 2.59E+5 Pa,10.5 m/s
B) 3.00E+5 Pa,2.63 m/s
C) 3.00E+5 Pa,10.5 m/s
D) 4.59E+5 Pa,10.5 m/s
E) 2.59E+5 Pa,2.63 m/s