The Speed Needed to Escape the Pull of Earth^'s Gravity

question 52

Multiple Choice

The speed needed to escape the pull of Earth^'s gravity is 11.3 km/s. What is this speed in mi/h?

• A) 65,500 mi/h
• B) 25,300 mi/h
• C) 18,200 mi/h
• D) 1,090 mi/h
• E) 5.02 × 10^-3 mi/h

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Definitions:

Osteoblast

A type of cell responsible for bone formation.

Bone

A rigid organ that constitutes part of the vertebrate skeleton, providing structural support, protecting various organs, and harboring bone marrow.

Fibroblast

A type of cell found in connective tissue, which secretes collagen and other fibers, playing a critical role in wound healing and tissue repair.

Fibrous Connective Tissue

A type of connective tissue rich in collagen fibers that provides support and strength to other tissues and organs.