You Are the Science Officer on a Visit to a Distant

question 84

Multiple Choice

You are the science officer on a visit to a distant solar system.Prior to landing on a planet you measure its diameter to be 1.8 × 10⁷ m.You have previously determined that the planet orbits 2.9 × 10¹¹ m from its star with a period of 402 earth days.Once on the surface you find that the free-fall acceleration is 19.5 m/s².What are the masses of (a) the planet and (b) the star? (G = 6.67 × 10^-11 N ∙ m²/kg²)

• A)(a)2.4 kg × \(10^{25}\) kg, (b)1.2 kg × \(10^{31}\) kg
• B)(a)4.3 kg × \(10^{25}\) kg, (b)1.2 kg × \(10^{31}\) kg
• C)(a)2.4 kg × \(10^{25}\) kg, (b)7.1 kg × \(10 ^ { 30 }\) kg
• D)(a)4.3 kg × \(10^{25}\) kg, (b)7.1 kg × \(10 ^ { 30 }\) kg

Understand the role of special interest groups and lobbies in political representation.

Define the characteristics of different political and societal systems.

Understand the basic principles and implications of political power distribution theories.

Identify the impact of political theories on understanding societal structure.

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Definitions:

Seasonal Affective Disorder

A type of depression that occurs at a specific time of year, typically in the winter months, associated with reduced exposure to sunlight.

Seasonal Variation

Seasonal variation refers to changes or patterns that occur in data or behaviour at specific times of the year, often influenced by changes in the environment, weather, or societal activities.

HTT Gene

A gene responsible for encoding the huntingtin protein, associated with Huntington's disease when mutations occur.

Reactivity To Stress

An individual's response to stress, including physiological, emotional, and behavioral responses that can vary widely among individuals.