Earth's Radius Is 6

question 3

Multiple Choice

Earth's radius is 6.38 × 10⁶ m, and it completes one revolution every day. What is the magnitude of the centripetal acceleration of a person standing on the equator?

• A) 0.00844 m/s²
• B) 0.00343 m/s²
• C) 0.0337 m/s²
• D) 0.343 m/s²
• E) 0.000854 m/s²

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Definitions:

Secretions

Substances produced and released by cells or glands in the body, such as saliva, mucus, or hormones.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.

Live Births

The birth of a baby that shows any sign of life, such as breathing, heartbeat, or voluntary muscle movements, after separation from the mother's body.

Cartilage

A flexible connective tissue found in various forms in the human and animal body, notably in the joints, rib cage, ear, and nose.