7. A metal cylinder displaces 515 cm³ of gasoline. Find the buoyant force of the gasoline.

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ISBN:9781305952300
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Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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**Problem Statement:**

A metal cylinder displaces 515 cm³ of gasoline. Find the buoyant force of the gasoline.

**Explanation:**

To find the buoyant force, we can use the principle of buoyancy, which is governed by Archimedes' principle. This principle states that the buoyant force (F_b) on an object submerged in a fluid is equal to the weight of the fluid that is displaced by the object.

**Formula to Use:**

F_b = ρ * V * g

Where:
- F_b is the buoyant force.
- ρ (rho) is the density of the fluid (gasoline, in this case).
- V is the volume of the fluid displaced (515 cm³).
- g is the acceleration due to gravity (approximately 9.81 m/s²).

**Additional Information Required:**

To find the buoyant force, you need the density of gasoline, which is approximately 0.71 g/cm³. Note that this value can vary slightly depending on temperature and specific formulation.

**Calculating Buoyant Force:**

1. Convert the volume to cubic meters if necessary (optional, as cm³ is fine for the density given in g/cm³).
2. Use the density of gasoline (0.71 g/cm³).
3. Plug in the values into the buoyancy formula.

This calculation will provide the buoyant force exerted by the displaced gasoline on the metal cylinder.
Transcribed Image Text:**Problem Statement:** A metal cylinder displaces 515 cm³ of gasoline. Find the buoyant force of the gasoline. **Explanation:** To find the buoyant force, we can use the principle of buoyancy, which is governed by Archimedes' principle. This principle states that the buoyant force (F_b) on an object submerged in a fluid is equal to the weight of the fluid that is displaced by the object. **Formula to Use:** F_b = ρ * V * g Where: - F_b is the buoyant force. - ρ (rho) is the density of the fluid (gasoline, in this case). - V is the volume of the fluid displaced (515 cm³). - g is the acceleration due to gravity (approximately 9.81 m/s²). **Additional Information Required:** To find the buoyant force, you need the density of gasoline, which is approximately 0.71 g/cm³. Note that this value can vary slightly depending on temperature and specific formulation. **Calculating Buoyant Force:** 1. Convert the volume to cubic meters if necessary (optional, as cm³ is fine for the density given in g/cm³). 2. Use the density of gasoline (0.71 g/cm³). 3. Plug in the values into the buoyancy formula. This calculation will provide the buoyant force exerted by the displaced gasoline on the metal cylinder.
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