You Are the Science Officer on a Visit to a Distant

question 13

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 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?

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

---

Definitions:

Price Level

Indicates the overall level of prices for goods and services in an economy at a specific point in time, reflecting the economy's cost of living.

Aggregate Demand

Aggregate demand for products and services within an economy at a certain uniform price point during a specified period.

Federal Budget Deficit

The financial situation when a government's expenditures exceed its revenues within a fiscal year, leading to borrowing or debt accumulation.

Inflation

The rate at which the general level of prices for goods and services is rising, leading to a decrease in the purchasing power of money.