Question Detail
Question
Water flows up a 20 cm step in a hose. If pressure at bottom is 143 kPa, what is pressure at the top?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Pressure decreases with height: ΔP = ρgh ≈ 1000×9.8×0.20 ≈ 2 kPa, so ≈ 141 kPa.
Hint
Pressure drops as fluid rises.