Which of the following is true for a satellite in a low Earth orbit?

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Question: Which of the following is true for a satellite in a low Earth orbit?

Options:

Correct Answer: It has a very high orbital speed

Solution:

A satellite in a low Earth orbit has a very high orbital speed due to the proximity to the Earth and the gravitational pull.

Which of the following is true for a satellite in a low Earth orbit?

Which of the following is true for a satellite in a low Earth orbit?

Step 1: Understand what a satellite in low Earth orbit (LEO) is. It is a satellite that orbits close to the Earth, usually at altitudes between 160 to 2,000 kilometers.
Step 2: Recognize that the gravitational pull from the Earth is stronger at lower altitudes. This means that satellites in LEO experience a significant gravitational force.
Step 3: Realize that to stay in orbit, a satellite must move fast enough to counteract this gravitational pull. This results in a very high orbital speed.
Step 4: Conclude that because of the strong gravitational pull and the need to maintain orbit, satellites in low Earth orbit travel at high speeds.

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