A Satellite Is Placed in a Geosynchronous Orbit

question 18

Multiple Choice

A satellite is placed in a geosynchronous orbit. In this equatorial orbit with a period of 24 hours, the satellite hovers over one point on the equator. Which statement is true for a satellite in such an orbit?

• A) There is no gravitational force on the satellite.
• B) There is no acceleration toward the center of the Earth.
• C) The satellite is in a state of free fall toward the Earth.
• D) There is a tangential force that helps the satellite keep up with the rotation of the Earth.
• E) The force toward the center of the Earth is balanced by a force away from the center of the Earth.

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Definitions:

Proportional Tax

A tax system where the rate of taxation is fixed, meaning the tax rate stays the same regardless of the taxable amount or income.

Average Tax Rate

The portion of total income that is paid as tax, calculated by dividing the total tax amount by the taxable income.

Tax Base

The total amount of assets or revenue that a government can tax to fund its operations and services.