Two Planets Have the Same Surface Gravity, but Planet B $\sqrt { 2 }$

question 42

Multiple Choice

Two planets have the same surface gravity, but planet B has twice the radius of planet A. If planet A has mass m, what is the mass of planet B?

• A)m/ \(\sqrt { 2 }\)
• B)m
• C)m \(\sqrt { 2 }\)
• D)4m
• E)m/4

---

Definitions:

Hemicellulose

A polysaccharide found in plant cell walls that works with cellulose and lignin to provide structural support.

Lignin

A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody.

Cellulose

A complex carbohydrate that constitutes the primary structural component of plant cell walls and is a dietary fiber in human nutrition.

Longitudinal Section

A slice or section of an object or organism made along its length, used to visualize internal structures in relation to its long axis.