You Are the Science Officer on a Visit to a Distant

question 50

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 and its rotation period to be 22.3 hours. You have previously determined that the planet orbits 1.8 × 10¹¹ m from its star with a period of 402 earth days. Once on the surface you find that the acceleration due to gravity is 59.7 m/s². What are the mass of (a) the planet and (b) the star? (G = 6.67 × 10^-11 N ∙ m²/kg².)

• A) (a) 7.2 kg × 10²⁵ kg, (b) 2.9 kg × 10³⁰ kg
• B) (a) 1.3 kg × 10²⁶ kg, (b) 2.9 kg × 10³⁰ kg
• C) (a) 7.2 kg × 10²⁵ kg, (b) 1.7 kg × 10³⁰ kg
• D) (a) 1.3 kg × 10²⁶ kg, (b) 1.7 kg × 10³⁰ kg

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Definitions:

Income Statement Columns

The structure within an income statement that divides financial information into columns, typically including amounts for the current period, budgeted figures, and variances.

Net Income

The net profit of a company calculated after expenses and tax deductions from its total revenue.

Net Loss

The amount by which total expenses exceed total revenues in a company, indicating a financial loss.

Adjusting Entry

A journal entry made at the end of an accounting period to allocate revenue and expenses to the period in which they actually occurred.