Determine the orbital speed, in m/s, of a satellite that circles the Earth with a period of 2.20 x 104 s. The mass of the Earth is 5.97 x 1024 kg. m/s

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**Problem Statement:**

Determine the orbital speed, in meters per second (m/s), of a satellite that circles the Earth with a period of \(2.20 \times 10^4\) seconds. The mass of the Earth is \(5.97 \times 10^{24}\) kilograms.

**Answer:**

\[ \text{Orbital Speed} = \, \_\_\_\_ \, \text{m/s} \]

**Explanation:**

To solve for the orbital speed of the satellite, we use the formula for the orbital speed \( v \):

\[ v = \frac{2\pi r}{T} \]

where:
- \( r \) is the orbital radius,
- \( T \) is the orbital period.

To find the orbital radius \( r \), use the formula for gravitational force:

\[ F = \frac{G M m}{r^2} \]

and set it equal to the centripetal force:

\[ F = \frac{m v^2}{r} \]

From these equations, you can derive the orbital speed without needing the satellite's mass \( m \):

\[ v = \sqrt{\frac{G M}{r}} \]

Given data:
- \( T = 2.20 \times 10^4 \) s
- \( M = 5.97 \times 10^{24} \) kg
- \( G = 6.674 \times 10^{-11} \, \text{m}^3/\text{kg}\cdot\text{s}^2 \) (Universal gravitational constant)

The orbital speed can be calculated once \( r \) is determined from the period using Kepler's Third Law or through manipulation of the centripetal force formula.

**Note:**

This problem doesn’t directly provide the orbital radius. To completely solve for \( v \), additional calculations involving \( r \) and understanding of the relationship between \( r \) and \( T \) are necessary.
Transcribed Image Text:**Problem Statement:** Determine the orbital speed, in meters per second (m/s), of a satellite that circles the Earth with a period of \(2.20 \times 10^4\) seconds. The mass of the Earth is \(5.97 \times 10^{24}\) kilograms. **Answer:** \[ \text{Orbital Speed} = \, \_\_\_\_ \, \text{m/s} \] **Explanation:** To solve for the orbital speed of the satellite, we use the formula for the orbital speed \( v \): \[ v = \frac{2\pi r}{T} \] where: - \( r \) is the orbital radius, - \( T \) is the orbital period. To find the orbital radius \( r \), use the formula for gravitational force: \[ F = \frac{G M m}{r^2} \] and set it equal to the centripetal force: \[ F = \frac{m v^2}{r} \] From these equations, you can derive the orbital speed without needing the satellite's mass \( m \): \[ v = \sqrt{\frac{G M}{r}} \] Given data: - \( T = 2.20 \times 10^4 \) s - \( M = 5.97 \times 10^{24} \) kg - \( G = 6.674 \times 10^{-11} \, \text{m}^3/\text{kg}\cdot\text{s}^2 \) (Universal gravitational constant) The orbital speed can be calculated once \( r \) is determined from the period using Kepler's Third Law or through manipulation of the centripetal force formula. **Note:** This problem doesn’t directly provide the orbital radius. To completely solve for \( v \), additional calculations involving \( r \) and understanding of the relationship between \( r \) and \( T \) are necessary.
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