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2) A huge tank of Persian crude oil with a density of 915 kg/m3 is vertically stationed on a platform that is 15 m above the ground. The oil level is 5 m above the base of the tank. A small hole 4 mm in diameter has formed in the base of the tank. Both the hole and the top of the tank are open to the air.
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B. How fast is the oil from the hole moving just as it reaches the ground?
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