A satellite circles the earth in an orbit whose radius is 2.77 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and its radius is 6.38 x 106 m. What is the period of the satellite?

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**Question:**

A satellite circles the earth in an orbit whose radius is 2.77 times the earth's radius. The earth's mass is \(5.98 \times 10^{24} \text{ kg}\), and its radius is \(6.38 \times 10^{6} \text{ m}\). What is the period of the satellite?

**Answer:**

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*Units:* [Dropdown Menu]

**Resources:**

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**Explanation:**

To solve the problem of finding the period of a satellite orbiting the Earth, one can use Kepler’s Third Law for circular orbits. The law states that the square of the orbital period \( T \) is proportional to the cube of the semi-major axis of its orbit \( r \):

\[ T^2 \propto r^3 \]

\[ T^2 = \frac{4 \pi^2 r^3}{G M} \]

Where: 
- \( T \) is the orbital period
- \( r \) is the radius of the orbit, which in this case is 2.77 times the Earth’s radius \((2.77 \times 6.38 \times 10^6 \text{ m})\)
- \( G \) is the gravitational constant \( (6.67 \times 10^{-11} \text{ Nm}^2\text{kg}^{-2}) \)
- \( M \) is the mass of the Earth \( (5.98 \times 10^{24} \text{ kg}) \)

**Calculation Steps:**
1. Determine the orbital radius \(r\).
2. Plug values into the proportional formula to compute the period \(T\).

(navmilli: provide input fields, dropdowns, and additional resources for the students to use in their calculations)
Transcribed Image Text:**Question:** A satellite circles the earth in an orbit whose radius is 2.77 times the earth's radius. The earth's mass is \(5.98 \times 10^{24} \text{ kg}\), and its radius is \(6.38 \times 10^{6} \text{ m}\). What is the period of the satellite? **Answer:** *Number:* [Input Field] *Units:* [Dropdown Menu] **Resources:** - eTextbook and Media [Link or Section for additional resources and explanations] **Explanation:** To solve the problem of finding the period of a satellite orbiting the Earth, one can use Kepler’s Third Law for circular orbits. The law states that the square of the orbital period \( T \) is proportional to the cube of the semi-major axis of its orbit \( r \): \[ T^2 \propto r^3 \] \[ T^2 = \frac{4 \pi^2 r^3}{G M} \] Where: - \( T \) is the orbital period - \( r \) is the radius of the orbit, which in this case is 2.77 times the Earth’s radius \((2.77 \times 6.38 \times 10^6 \text{ m})\) - \( G \) is the gravitational constant \( (6.67 \times 10^{-11} \text{ Nm}^2\text{kg}^{-2}) \) - \( M \) is the mass of the Earth \( (5.98 \times 10^{24} \text{ kg}) \) **Calculation Steps:** 1. Determine the orbital radius \(r\). 2. Plug values into the proportional formula to compute the period \(T\). (navmilli: provide input fields, dropdowns, and additional resources for the students to use in their calculations)
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