The Escape Velocity at the Surface of Earth Is Approximately

question 54

Multiple Choice

The escape velocity at the surface of Earth is approximately 8 km/s. What is the mass, in units of Earth's mass, of a planet with twice the radius of Earth for which the escape speed is twice that for Earth?

• A) 2
• B) 4
• C) 8
• D) 1/2
• E) 1/4

---

Definitions:

Ice Cream

A frozen dessert made from dairy products, such as milk and cream, often combined with fruits, flavors, or other ingredients.

Frozen Yogurt

A dessert made from yogurt and sometimes other dairy products, frozen to a soft consistency, often served as a healthier alternative to ice cream.

Price

The cash amount presumed, required, or allocated in remuneration for something.

Supply Curve

The supply curve illustrates the relationship between the price of a good or service and the quantity of that good or service that a seller is willing and able to supply.