Kerosene (ρ=800kg m−3) flows upward through a vertical pipe. At point A the speed is 1.5m s−1 and the gauge pressure is 3.0×104Pa. Point B is 2.0m higher and the speed there is 2.5m s−1. Take g=9.8m s−2. What is the gauge pressure at B?
a) 2.8×104Pa
b) 4.4×104Pa
c) 1.3×104Pa
d) 0.84×104Pa