A 1500-Kg Satellite Orbits a Planet in a Circular Orbit

question 10

Multiple Choice

A 1500-kg satellite orbits a planet in a circular orbit of radius 6.2 × 10⁶ m. What is the angular momentum of the satellite in its orbit around the planet if the satellite completes one orbit every 1.5 × 10⁴ s?

• A)3.9 × 10⁶ kg . m²/s
• B)1.4 × 10¹⁴ kg . m²/s
• C)6.2 × 10⁸ kg .m²/s
• D)8.1 × 10¹¹ kg . m²/s
• E)2.4 × 10¹³ kg . m²/s

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Definitions:

Weak Form

In financial market theory, this term refers to the hypothesis that asset prices fully reflect all historical price information, arguing that past price movements are not predictive of future prices.

Market Efficiency

A concept describing the extent to which stock prices reflect all available, relevant information, making it impossible to consistently achieve higher returns.

Semi-strong Form

A form of the Efficient Market Hypothesis that asserts all public information is reflected in the stock prices.

Market Efficiency

Market efficiency is a concept where all available information is already reflected in asset prices, implying that assets are priced perfectly and it is impossible to "beat the market" through expert stock selection or market timing.