As a means of fire protection, an amusement park has a large cylindrical tank with an open top. Water exits the tank through a 6.15 cm diameter hose which ends with a 2.10 cm diameter tap. If a plug is inserted into the tap and the water level in the tank is kept 7.50 m above the tap, determine the following.

(a) force of friction (in N) exerted by the tap on the plug

(b) mass of water (in kg) that will flow through the tap in 2.00 hr, if the plug is removed

(c) gauge pressure (in Pa) of the flowing water in the hose just behind the tap

Answer rating: 100% (QA)

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