A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.65 L/s, with an output pressure of 3.15 × 105 Pa. The water enters a hose with a 2.9 cm inside diameter and rises 2.1 m above the pump. What is its pressure at this point, in pascals? You may neglect frictional losses. The hose then goes over the foundation wall, losing 0.65 m in height, and widens to 4.4 cm in diameter. What is the pressure now, in pascals? You may neglect frictional losses.
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