Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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**Problem Explanation: Spherical Tanks Connected by a Tube**

Two spherical tanks are interconnected as illustrated in the provided diagram. Below are the key details about the system:

1. **First Tank**:
   - **Radius**: 1 meter.
   - **Position**: The tank is on the ground.

2. **Second Tank**:
   - **Radius**: 0.5 meters.
   - **Position**: The bottom of this tank is located 2 meters above the top of the first tank.

3. **Connecting Tube**:
   - The tanks are connected by a tube of negligible width. This tube runs from the top of the first tank to the bottom of the second tank.

**Given:**
- \( \rho > 0 \) denotes the density (in kg/m³) of the liquid in both tanks.

**Objective:**
- Determine the work required to pump the liquid from the ground to fill both tanks.

**Diagram Details:**
- The diagram visually represents the two spherical tanks and the connecting tube.
- It features the dimensions for placement:
  - The first tank (larger) is positioned on the line representing the ground. 
  - The second tank (smaller), is elevated, showing 2 meters distance above the top of the first tank.

**Steps to Solve:**
1. **Calculate the Volume of Both Tanks**:
   - Volume of the first tank (V₁): 
     \[
     V₁ = \frac{4}{3} \pi (1)^3 = \frac{4}{3} \pi \, \text{m}^3
     \]
   - Volume of the second tank (V₂): 
     \[
     V₂ = \frac{4}{3} \pi (0.5)^3 = \frac{4}{3} \pi \left(\frac{1}{8}\right) = \frac{1}{6} \pi \, \text{m}^3
     \]

2. **Determine the Mass of Liquid Needed for Both Tanks**:
   - Mass of liquid for the first tank (M₁): 
     \[
     M₁ = \rho \times V₁ = \rho \times \frac{4}{3} \pi
     \]
   - Mass of liquid for the second tank (M₂): 
     \[
     M₂ =
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Transcribed Image Text:**Problem Explanation: Spherical Tanks Connected by a Tube** Two spherical tanks are interconnected as illustrated in the provided diagram. Below are the key details about the system: 1. **First Tank**: - **Radius**: 1 meter. - **Position**: The tank is on the ground. 2. **Second Tank**: - **Radius**: 0.5 meters. - **Position**: The bottom of this tank is located 2 meters above the top of the first tank. 3. **Connecting Tube**: - The tanks are connected by a tube of negligible width. This tube runs from the top of the first tank to the bottom of the second tank. **Given:** - \( \rho > 0 \) denotes the density (in kg/m³) of the liquid in both tanks. **Objective:** - Determine the work required to pump the liquid from the ground to fill both tanks. **Diagram Details:** - The diagram visually represents the two spherical tanks and the connecting tube. - It features the dimensions for placement: - The first tank (larger) is positioned on the line representing the ground. - The second tank (smaller), is elevated, showing 2 meters distance above the top of the first tank. **Steps to Solve:** 1. **Calculate the Volume of Both Tanks**: - Volume of the first tank (V₁): \[ V₁ = \frac{4}{3} \pi (1)^3 = \frac{4}{3} \pi \, \text{m}^3 \] - Volume of the second tank (V₂): \[ V₂ = \frac{4}{3} \pi (0.5)^3 = \frac{4}{3} \pi \left(\frac{1}{8}\right) = \frac{1}{6} \pi \, \text{m}^3 \] 2. **Determine the Mass of Liquid Needed for Both Tanks**: - Mass of liquid for the first tank (M₁): \[ M₁ = \rho \times V₁ = \rho \times \frac{4}{3} \pi \] - Mass of liquid for the second tank (M₂): \[ M₂ =
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