A person in a boat floating in a small pond throws an anchor overboard. Did the

Question

A person in a boat floating in a small pond throws an anchor overboard. Did the anchor displace more water when it was in the boat, or out of the boat? Explain. A tank, containing a pressurized gas and air are shown to the left. The pressure of the gas at the top of the tank is 1.35 times 10^5 Pa. Water is shooting out of the tank where it is open to the atmosphere at a speed of v. The diameter of the pipe where the water is shooting out is 5 cm and the diameter of the horizontal section of pipe is 12 cm. a) Find the speed v where the water is leaving the pipe. b) Find the speed of the water in the horizontal part of the pipe. c) Find the pressure in the horizontal part of the pipe.

Explanation / Answer

Since the boat is floating

the water displaced = weight of boat with anchor

When anchor is thrown out it displaces volume of water equal to its own volume, a volume of water that weighs the same as the anchor will be greater than the volume of the anchor.

Hence when in boat it displaces more water.

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