A wooden raft has a mass of 85 kg. while empty it floats in, Ask an Expert

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Q. A small circular hole 2.00 {rm mm} in diameter is cut in the side of a large water tank, 19.0 {rm m} below the water level in the tank. The top of the tank is open to the air.Find the speed at which the water shoots out of the tank.

Q. A wooden raft has a mass of 85 kg. When empty it floats in water (density 1000 kg/m3) with 61% of its volume submerged. What mass of sand can be put on the raft without it sinking?

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