The Weight of Spaceman Speff at the Surface of Planet

question 38

Multiple Choice

The weight of spaceman Speff at the surface of planet X,solely due to its gravitational pull,is 389 N.If he moves to a distance of 1.86 × 10⁴ km above the planet's surface,his weight changes to 24.31 N.What is the mass of planet X,if Speff's mass is 75.0 kg?

• A) 2.99 × 10²⁴ kg
• B) 2.99 × 10¹⁸ kg
• C) 2.99 × 10¹⁷ kg
• D) 1.59 × 10¹⁸ kg

---

Definitions:

Welfare Payments

Financial assistance provided by the government to individuals or families in need, aimed at ensuring a minimum level of well-being.

Welfare System

A governmental system that provides financial aid and services to individuals and families in need.

Dependency

A relationship in which one entity relies on another for support or sustenance.

Taste-For-Discrimination Model

An economic theory that explains how personal bias and preferences can lead to differences in wages and employment opportunities for various groups.