Two Satellites of the Same Mass Are Placed in Orbits

question 9

Multiple Choice

Two satellites of the same mass are placed in orbits around Earth. Satellite One is at an altitude of 1 R_E and Satellite Two is at an altitude of 2 R_E, where R_E = 6370 km is the radius of Earth. What is the ratio of the potential energy of Satellite One to Satellite Two?

• A)1/2
• B) 2/3
• C) 3/2
• D)1/4
• E) 2

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Definitions:

Nominal Interest Rate

The rate of interest before adjusting for inflation, representing the face value of interest payments.

Inflation Rate

The tempo at which the broad cost of goods and services rises, leading to a downfall in purchasing strength.

Deflation

Deflation is a decrease in the general price level of goods and services, often associated with an increase in the purchasing power of money.

Nominal Interest Rate

The proportionate growth in the amount of money that borrowers need to repay to lenders, excluding adjustments for inflation.