Homework Help: Physics

Posted by Anonymous on Wednesday, November 10, 2010 at 10:17pm.

Suppose you are drifting on a lake in a boat that measures 1 m high, 1 m wide, and 3 m long. The water level reaches halfway up the boat.

1. What is the volume of water that is displaced by the boat? (density of water = 1000 kg/m^3 or 1.00 g/cm^3).

2. What is the mass of the water displaced?

3. If the liquid were different than water, would your answers change? If so, which ones and how? What information would you need to know about the fluid?
Wouldn't this just be yes because the density of the liquid would be different from water? Oil would be an example, which is less dense than water?

Physics - drwls, Thursday, November 11, 2010 at 12:11am
Use Archemides' Principle to answer this problem

Yes, the answers will be different if the density of the liquid changes.
Physics - Anonymous, Thursday, November 11, 2010 at 12:57am
Apparently, I can't use Archemides' Principle because we have not covered it in class.
Physics - drwls, Thursday, November 11, 2010 at 9:50am
The buoyancy force equals the weight of the fluid displaced. That is what the principle says.

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