Escape Speed: a Certain Planet Has an Escape Speed V

question 31

Multiple Choice

Escape speed: A certain planet has an escape speed V. If another planet has twice size and twice the mass of the first planet, its escape speed will be

• A) 2V.
• B) V.
• C) V.
• D) V/2.
• E) V/

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Definitions:

Protonema

The initial stage in the life cycle of mosses and some algae, characterized by a thread-like chain of cells.

Gametophyte

The haploid stage in the life cycle of plants and algae that produces gametes, or sex cells, through mitosis.

Filament Cells

Elongated cells often found in plants and algae that form long, thread-like structures involved in photosynthesis and structure.

Gametophyte

The sexual phase in the life cycle of plants and algae that produces gametes.