A solid brass sphere weighs 190 N in air and has a density of 8.6 x 103 kg/m3. What is its volume? 4.3 x 104 m3 ONone of the given O 3.2 x 102 m3 O 4.5 x 105 m O2.3 x 10-3 m3 O 2.2 x 102 m3

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### Question on Brass Sphere

A solid brass sphere weighs 190 N in air and has a density of 8.6 x 10³ kg/m³. What is its volume?

#### Answer Options:

- [ ] 4.3 x 10^-4 m³
- [ ] None of the given
- [ ] 3.2 x 10^-2 m³
- [ ] 4.5 x 10^-5 m³
- [ ] 2.3 x 10^-3 m³
- [ ] 2.2 x 10^-2 m³

### Explanation:

In the given question, we need to determine the volume of a solid brass sphere based on the provided weight and density.

Let's break down the steps to solve it:

1. **Identify Given Data:**
   - Weight of the brass sphere (W): 190 N 
   - Density of the brass sphere (ρ): 8.6 x 10³ kg/m³

2. **Formula Required:**
   - Weight (W) relates to mass (m) and gravity (g): \( W = mg \)
   - Density (ρ) is defined as mass (m) per unit volume (V): \( \rho = \frac{m}{V} \)
   - Volume (V) can be derived from density and mass.

3. **Steps to Solve:**
   - Calculate the mass (m) from weight (W): \( m = \frac{W}{g} \)
   - Use the standard gravitational acceleration \( g = 9.81 \, \text{m/s}^2 \):
     \( m = \frac{190 \, \text{N}}{9.81 \, \text{m/s}^2} = 19.37 \, \text{kg} \)
   - Calculate the volume (V) using density (ρ):
     \( V = \frac{m}{\rho} = \frac{19.37 \, \text{kg}}{8.6 \times 10³ \, \text{kg/m}³} \approx 2.25 \times 10^{-3} \, \text{m}³ \)

Based on these calculations, you can identify the correct answer from the options provided.
Transcribed Image Text:### Question on Brass Sphere A solid brass sphere weighs 190 N in air and has a density of 8.6 x 10³ kg/m³. What is its volume? #### Answer Options: - [ ] 4.3 x 10^-4 m³ - [ ] None of the given - [ ] 3.2 x 10^-2 m³ - [ ] 4.5 x 10^-5 m³ - [ ] 2.3 x 10^-3 m³ - [ ] 2.2 x 10^-2 m³ ### Explanation: In the given question, we need to determine the volume of a solid brass sphere based on the provided weight and density. Let's break down the steps to solve it: 1. **Identify Given Data:** - Weight of the brass sphere (W): 190 N - Density of the brass sphere (ρ): 8.6 x 10³ kg/m³ 2. **Formula Required:** - Weight (W) relates to mass (m) and gravity (g): \( W = mg \) - Density (ρ) is defined as mass (m) per unit volume (V): \( \rho = \frac{m}{V} \) - Volume (V) can be derived from density and mass. 3. **Steps to Solve:** - Calculate the mass (m) from weight (W): \( m = \frac{W}{g} \) - Use the standard gravitational acceleration \( g = 9.81 \, \text{m/s}^2 \): \( m = \frac{190 \, \text{N}}{9.81 \, \text{m/s}^2} = 19.37 \, \text{kg} \) - Calculate the volume (V) using density (ρ): \( V = \frac{m}{\rho} = \frac{19.37 \, \text{kg}}{8.6 \times 10³ \, \text{kg/m}³} \approx 2.25 \times 10^{-3} \, \text{m}³ \) Based on these calculations, you can identify the correct answer from the options provided.
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