An 8000 Kg Satellite Is Launched from the Surface of the Earth

question 43

Multiple Choice

An 8000 kg satellite is launched from the surface of the Earth and injected into a circular orbit at an altitude of 100 km above the surface of the Earth. The kinetic energy of the satellite in the circular orbit is (G = 6.67 × 10⁻¹¹ N·m²/kg², M_E = 5.97 × 1024 kg, R_E = 6.37 × 10⁶ m)

• A) 5.02 × 10¹¹ J.
• B) 4.25 × 10¹¹ J.
• C) 3.45 × 10¹¹ J.
• D) 2.46 × 10¹¹ J.
• E) 2.01 × 10¹¹ J.

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Definitions:

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, leading consumers to substitute cheaper goods for more expensive ones.

Wage Decrease

A reduction in the pay rate of a worker or a group of workers.

Labor Supply

The total hours that workers are willing and available to work at a given wage rate, within a specific labor market.

Leisure

The time available for ease and relaxation when no work is done.